National Weather Service United States Department of Commerce

Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

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616
FNUS54 KMRX 181839
FWFMRX

Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
239 PM EDT Tue Aug 18 2026

.DISCUSSION...


Dry weather and near normal temperatures will continue for
Wednesday. Rain chances return on Thursday afternoon, with showers
and thunderstorms expected.



VAZ001-191945-
Lee-
Including the city of Rose Hill
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      60-65 (-5)   84-89 (+3)   64-69        81-86
RH % (24h trend)      95-100 (0)   45-50 (-15)  95-100       60-65
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        W  6         W  3         W  9
Mixing Hgt(ft-agl)    360          4430         390          3440
Vent Rate (mph-ft)    1080         26580        1170         30960
Max Dispersion Early  2 Very Poor  13 Gen Poor  2 Very Poor  22 Fair
Max Dispersion Late   2 Very Poor  22 Fair      1 Very Poor  30 Fair
Category Day          1            3            1            3
Max LVORI Early       7            9            6            8
Max LVORI Late        9            3            8            3
Precip Chance (%)     0            0            40           50
Precip Type           None         None         Showers      Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.02         0.06
Precip Begin                                    5 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 57 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
50 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent. West
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

VAZ002-191945-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      59-64 (-5)   81-86 (+3)   63-68        78-83
RH % (24h trend)      95-100 (0)   47-52 (-16)  94-99        62-67
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   SW  5
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      W  6
Transport Wnd (mph)   N  5         W  7         S  5         SW 12
Mixing Hgt(ft-agl)    410          4520         370          3580
Vent Rate (mph-ft)    2050         31640        1850         42960
Max Dispersion Early  2 Very Poor  14 Gen Poor  2 Very Poor  28 Fair
Max Dispersion Late   2 Very Poor  27 Fair      3 Very Poor  35 Fair
Category Day          1            3            1            3
Max LVORI Early       7            9            5            7
Max LVORI Late        9            3            7            4
Precip Chance (%)     0            0            40           60
Precip Type           None         None         Showers      Tstms
Precip Duration                                 1            2
Precip Amount         0.00         0.00         0.01         0.09
Precip Begin                                    5 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 71 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 60 percent. West winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows around 60. West winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 70s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
53 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Southwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 55 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

VAZ005-191945-
Scott VA-
Including the city of Hiltons
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      61-66 (-5)   83-88 (+1)   64-69        81-86
RH % (24h trend)      95-100 (0)   50-55 (-11)  93-98        61-66
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Transport Wnd (mph)   NE  3        W  6         SW  3        SW 10
Mixing Hgt(ft-agl)    350          4390         350          3420
Vent Rate (mph-ft)    1050         26340        1050         34200
Max Dispersion Early  2 Very Poor  15 Gen Poor  2 Very Poor  22 Fair
Max Dispersion Late   2 Very Poor  22 Fair      1 Very Poor  30 Fair
Category Day          1            3            1            3
Max LVORI Early       7            9            6            7
Max LVORI Late        9            3            8            3
Precip Chance (%)     0            0            20           40
Precip Type           None         None         Showers      Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.01         0.04
Precip Begin                                    6 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
52 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

VAZ006-191945-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      60-65 (-5)   81-86 (+2)   63-68        79-84
RH % (24h trend)      95-100 (0)   48-53 (-16)  92-97        62-67
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   SW  6
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      W  6
Transport Wnd (mph)   E  3         NW  7        SW  5        SW 10
Mixing Hgt(ft-agl)    370          4520         360          3620
Vent Rate (mph-ft)    1110         31640        1800         36200
Max Dispersion Early  2 Very Poor  17 Gen Poor  2 Very Poor  27 Fair
Max Dispersion Late   2 Very Poor  27 Fair      2 Very Poor  33 Fair
Category Day          1            3            1            3
Max LVORI Early       7            9            5            6
Max LVORI Late        9            3            7            3
Precip Chance (%)     0            0            30           50
Precip Type           None         None         Showers      Tstms
Precip Duration                                 1            2
Precip Amount         0.00         0.00         0.01         0.05
Precip Begin                                    6 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 73 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 64 percent. West winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. West winds less than
10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
56 percent. Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Minimum RH 53 percent.
West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Southeast winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

VAZ008-191945-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      60-65 (-6)   82-87 (+2)   63-68        81-86
RH % (24h trend)      95-100 (0)   46-51 (-16)  88-93        56-61
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   SW  6
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      W  6
Transport Wnd (mph)   E  2         W  7         SW  5        W 12
Mixing Hgt(ft-agl)    310          4210         330          3870
Vent Rate (mph-ft)    620          29470        1650         46440
Max Dispersion Early  2 Very Poor  17 Gen Poor  1 Very Poor  30 Fair
Max Dispersion Late   1 Very Poor  26 Fair      2 Very Poor  39 Fair
Category Day          1            2            1            3
Max LVORI Early       7            9            6            6
Max LVORI Late        9            3            6            3
Precip Chance (%)     0            0            20           40
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.01         0.02
Precip Begin                                    6 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 62 percent. West winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. West winds less than
10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
54 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Minimum RH 51 percent.
West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Southeast winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 51 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ018-191945-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      59-64 (-5)   80-85 (+2)   62-67        79-84
RH % (24h trend)      95-100 (-1)  41-46 (-18)  82-87        47-52
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   W  6
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      W  6
Transport Wnd (mph)   NW  5        NW  8        W  3         W 14
Mixing Hgt(ft-agl)    360          3920         280          4020
Vent Rate (mph-ft)    1800         31360        840          56280
Max Dispersion Early  3 Very Poor  19 Gen Poor  2 Very Poor  36 Fair
Max Dispersion Late   2 Very Poor  26 Fair      2 Very Poor  48 Gen Good
Category Day          1            3            1            3
Max LVORI Early       7            8            4            5
Max LVORI Late        8            3            5            3
Precip Chance (%)     0            0            0            30
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 Continuing
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light
winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 60 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows around 60. West winds less than 10 mph.
.SUNDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 53 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Sunny. Highs in the upper 70s. Minimum RH 49 percent.
West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 49 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ047-191945-
Southeast Carter-
Including the city of Hampton
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      59-64 (-5)   80-85 (+3)   62-67        80-85
RH % (24h trend)      95-100 (-3)  43-48 (-19)  78-83        50-55
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   W  5
PM 20FT Wnd (mph)     W  6         Lgt/Var      Lgt/Var      W  5
Transport Wnd (mph)   W  5         NW  8        W  3         W 13
Mixing Hgt(ft-agl)    380          3710         300          4160
Vent Rate (mph-ft)    1900         29680        900          54080
Max Dispersion Early  4 Very Poor  18 Gen Poor  2 Very Poor  39 Fair
Max Dispersion Late   3 Very Poor  26 Fair      3 Very Poor  49 Gen Good
Category Day          1            3            1            3
Max LVORI Early       7            7            4            4
Max LVORI Late        8            3            4            3
Precip Chance (%)     0            0            0            20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 2 PM
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light
winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 71 percent. Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 61 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. West winds less
than 10 mph.
.SUNDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 54 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
50 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ045-191945-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      61-66 (-4)   80-85 (+2)   63-68        81-86
RH % (24h trend)      95-100 (-2)  46-51 (-18)  80-85        51-56
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   W  5
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  3        NW  7        SW  3        W 12
Mixing Hgt(ft-agl)    390          3680         310          3830
Vent Rate (mph-ft)    1170         25760        930          45960
Max Dispersion Early  3 Very Poor  17 Gen Poor  2 Very Poor  30 Fair
Max Dispersion Late   2 Very Poor  22 Fair      2 Very Poor  38 Fair
Category Day          1            2            1            3
Max LVORI Early       7            8            4            4
Max LVORI Late        9            3            4            3
Precip Chance (%)     0            0            0            0
Precip Type           None         None         None         Tstms
Precip Duration
Precip Amount         0.00         0.00         0.00         0.00
Precip Begin
Precip End
Chance of Thunder (%) 0            0            0            10

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 62 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 56 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
51 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 51 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ043-191945-
Southeast Greene-
Including the city of Cedar Creek
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mclear       Mclear       Pcldy
Temp (24h trend)      61-66 (-4)   80-85 (+2)   63-68        81-86
RH % (24h trend)      94-99 (-4)   44-49 (-18)  81-86        49-54
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   W  6
PM 20FT Wnd (mph)     NW  5        Lgt/Var      SE  6        Lgt/Var
Transport Wnd (mph)   W  3         NW  6        SE  3        W 10
Mixing Hgt(ft-agl)    360          3330         290          3310
Vent Rate (mph-ft)    1080         19980        870          33100
Max Dispersion Early  3 Very Poor  14 Gen Poor  2 Very Poor  27 Fair
Max Dispersion Late   2 Very Poor  18 Gen Poor  2 Very Poor  30 Fair
Category Day          1            2            1            3
Max LVORI Early       6            7            4            4
Max LVORI Late        8            2            5            3
Precip Chance (%)     0            0            0            20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 2 PM
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 58 percent. West winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.SUNDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 52 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Minimum RH 48 percent.
West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 48 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ041-191945-
Cocke Smoky Mountains-
Including the city of Hartford
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mclear       Mclear       Pcldy
Temp (24h trend)      63-68 (-4)   81-86 (+2)   65-70        81-86
RH % (24h trend)      92-97 (-5)   43-48 (-19)  81-86        50-55
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   W  6
PM 20FT Wnd (mph)     E  5         Lgt/Var      S  6         Lgt/Var
Transport Wnd (mph)   SW  3        NW  7        S  3         W 13
Mixing Hgt(ft-agl)    340          3500         260          3640
Vent Rate (mph-ft)    1020         24500        780          47320
Max Dispersion Early  2 Very Poor  14 Gen Poor  2 Very Poor  37 Fair
Max Dispersion Late   2 Very Poor  19 Gen Poor  2 Very Poor  41 Gen Good
Category Day          1            2            1            3
Max LVORI Early       5            6            4            4
Max LVORI Late        7            3            4            3
Precip Chance (%)     0            0            0            30
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 2 PM
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 59 percent. West winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.SUNDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ074-191945-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mclear       Pcldy        Pcldy
Temp (24h trend)      60-65 (-5)   78-83 (+2)   64-69        78-83
RH % (24h trend)      91-96 (-4)   45-50 (-18)  78-83        52-57
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   W  6
PM 20FT Wnd (mph)     NW  5        Lgt/Var      SE  5        Lgt/Var
Transport Wnd (mph)   NE  5        NW  6        SE  3        W 10
Mixing Hgt(ft-agl)    370          3220         270          3420
Vent Rate (mph-ft)    1850         19320        810          34200
Max Dispersion Early  3 Very Poor  13 Gen Poor  3 Very Poor  27 Fair
Max Dispersion Late   2 Very Poor  17 Gen Poor  2 Very Poor  30 Fair
Category Day          1            2            1            3
Max LVORI Early       6            6            4            4
Max LVORI Late        6            3            3            3
Precip Chance (%)     0            0            0            30
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 8 AM
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 72 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 61 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 70s. Minimum RH 56 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. East winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
53 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 55 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ072-191945-
Blount Smoky Mountains-
Including the city of Cades Cove
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      63-68 (-5)   83-88 (+2)   67-72        83-88
RH % (24h trend)      92-97 (-3)   45-50 (-15)  81-86        52-57
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   SW  6
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      SE  5        Lgt/Var
Transport Wnd (mph)   E  3         N  6         SE  3        W  8
Mixing Hgt(ft-agl)    370          3590         270          3380
Vent Rate (mph-ft)    1110         21540        810          27040
Max Dispersion Early  3 Very Poor  14 Gen Poor  2 Very Poor  16 Gen Poor
Max Dispersion Late   2 Very Poor  18 Gen Poor  2 Very Poor  23 Fair
Category Day          1            2            1            3
Max LVORI Early       6            6            4            4
Max LVORI Late        7            3            4            3
Precip Chance (%)     0            0            0            20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 8 AM
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 58 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
50 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent. West
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ087-191945-
Southeast Monroe-
Including the cities of Citico and Coker Creek
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      61-66 (-5)   84-89 (+2)   66-71        84-89
RH % (24h trend)      95-100 (-3)  42-47 (-15)  81-86        49-54
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  5        N  7         SE  3        W  8
Mixing Hgt(ft-agl)    400          3310         330          3480
Vent Rate (mph-ft)    2000         23170        990          27840
Max Dispersion Early  3 Very Poor  15 Gen Poor  2 Very Poor  18 Gen Poor
Max Dispersion Late   2 Very Poor  20 Gen Poor  3 Very Poor  26 Fair
Category Day          1            2            1            3
Max LVORI Early       6            7            4            4
Max LVORI Late        7            3            4            3
Precip Chance (%)     0            0            0            0
Precip Type           None         None         None         None
Precip Duration
Precip Amount         0.00         0.00         0.00         0.00
Precip Begin
Precip End
Chance of Thunder (%) 0            0            0            0

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Light
winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 55 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
48 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 50 percent. West
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ102-191945-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      62-67 (-5)   87-92 (+3)   65-70        88-93
RH % (24h trend)      95-100 (0)   40-45 (-11)  87-92        46-51
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   NW  5
PM 20FT Wnd (mph)     NW  5        Lgt/Var      SE  5        Lgt/Var
Transport Wnd (mph)   N  5         N  8         E  3         W  8
Mixing Hgt(ft-agl)    370          3670         340          4250
Vent Rate (mph-ft)    1850         29360        1020         34000
Max Dispersion Early  2 Very Poor  18 Gen Poor  2 Very Poor  25 Fair
Max Dispersion Late   2 Very Poor  25 Fair      2 Very Poor  33 Fair
Category Day          1            3            1            3
Max LVORI Early       6            8            4            5
Max LVORI Late        9            2            5            3
Precip Chance (%)     0            0            0            0
Precip Type           None         None         None         None
Precip Duration
Precip Amount         0.00         0.00         0.00         0.00
Precip Begin
Precip End
Chance of Thunder (%) 0            0            0            0

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 62 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light and
variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 47 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 47 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

NCZ060-191945-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      61-66 (-5)   85-90 (+2)   65-70        86-91
RH % (24h trend)      95-100 (-1)  41-46 (-14)  87-92        46-51
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  6         N  7         SE  5        NW 10
Mixing Hgt(ft-agl)    370          3760         310          3910
Vent Rate (mph-ft)    2220         26320        1550         39100
Max Dispersion Early  2 Very Poor  13 Gen Poor  2 Very Poor  25 Fair
Max Dispersion Late   2 Very Poor  24 Fair      2 Very Poor  34 Fair
Category Day          1            2            1            3
Max LVORI Early       7            8            5            5
Max LVORI Late        8            3            5            3
Precip Chance (%)     0            0            0            0
Precip Type           None         None         None         None
Precip Duration
Precip Amount         0.00         0.00         0.00         0.00
Precip Begin
Precip End
Chance of Thunder (%) 0            0            0            0

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. Light
winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light and
variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
47 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 49 percent. West
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

NCZ061-191945-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      60-65 (-5)   83-88 (+2)   64-69        83-88
RH % (24h trend)      95-100 (+1)  45-50 (-14)  85-90        50-55
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  NW  6                     Lgt/Var
PM 20FT Wnd (mph)     N  8         Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  6         NW  7        NW  3        W  9
Mixing Hgt(ft-agl)    400          4260         300          4000
Vent Rate (mph-ft)    2400         29820        900          36000
Max Dispersion Early  3 Very Poor  15 Gen Poor  2 Very Poor  23 Fair
Max Dispersion Late   2 Very Poor  26 Fair      2 Very Poor  32 Fair
Category Day          1            2            1            3
Max LVORI Early       7            8            4            5
Max LVORI Late        8            3            4            3
Precip Chance (%)     0            0            0            0
Precip Type           None         None         None         None
Precip Duration
Precip Amount         0.00         0.00         0.00         0.00
Precip Begin
Precip End
Chance of Thunder (%) 0            0            0            0

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. North winds less than
10 mph.
.SATURDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
50 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ015-191945-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      61-66 (-5)   85-90 (+2)   64-69        83-88
RH % (24h trend)      95-100 (-1)  44-49 (-14)  93-98        56-61
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        W  6         W  3         W  9
Mixing Hgt(ft-agl)    310          4560         340          3700
Vent Rate (mph-ft)    930          27360        1020         33300
Max Dispersion Early  3 Very Poor  11 Poor      2 Very Poor  22 Fair
Max Dispersion Late   2 Very Poor  23 Fair      1 Very Poor  30 Fair
Category Day          1            3            1            3
Max LVORI Early       7            9            6            8
Max LVORI Late        9            2            8            3
Precip Chance (%)     0            0            30           40
Precip Type           None         None         Showers      Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.03         0.04
Precip Begin                                    5 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 53 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
46 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 48 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ016-191945-
Hawkins-
Including the city of Mooresburg
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      62-67 (-5)   85-90 (+2)   64-69        83-88
RH % (24h trend)      95-100 (0)   49-54 (-11)  94-99        58-63
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        W  6         SW  3        W  9
Mixing Hgt(ft-agl)    330          4420         340          3700
Vent Rate (mph-ft)    990          26520        1020         33300
Max Dispersion Early  2 Very Poor  11 Poor      1 Very Poor  21 Fair
Max Dispersion Late   2 Very Poor  22 Fair      2 Very Poor  30 Fair
Category Day          1            3            1            3
Max LVORI Early       7            10           6            8
Max LVORI Late        10           3            8            3
Precip Chance (%)     0            0            0            30
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 Continuing
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 68 percent. Light
winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
50 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 51 percent. West
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ017-191945-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      62-67 (-5)   84-89 (+1)   64-69        83-88
RH % (24h trend)      95-100 (0)   45-50 (-14)  91-96        53-58
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   SW  6
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      W  6
Transport Wnd (mph)   E  2         W  6         S  3         W 10
Mixing Hgt(ft-agl)    290          4150         320          3710
Vent Rate (mph-ft)    580          24900        960          37100
Max Dispersion Early  2 Very Poor  14 Gen Poor  1 Very Poor  21 Fair
Max Dispersion Late   1 Very Poor  21 Fair      1 Very Poor  33 Fair
Category Day          1            2            1            3
Max LVORI Early       7            9            6            7
Max LVORI Late        9            2            7            3
Precip Chance (%)     0            0            20           30
Precip Type           None         None         Showers      Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.01         0.01
Precip Begin                                    6 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 58 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 51 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
49 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 49 percent. West
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ046-191945-
Northwest Carter-
Including the city of Elizabethton
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      62-67 (-4)   83-88 (+2)   64-69        83-88
RH % (24h trend)      95-100 (-3)  41-46 (-18)  83-88        48-53
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   SW  6
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      W  6
Transport Wnd (mph)   SE  3        NW  6        SW  3        W 12
Mixing Hgt(ft-agl)    340          3760         300          3920
Vent Rate (mph-ft)    1020         22560        900          47040
Max Dispersion Early  2 Very Poor  15 Gen Poor  2 Very Poor  28 Fair
Max Dispersion Late   2 Very Poor  22 Fair      2 Very Poor  40 Fair
Category Day          1            2            1            3
Max LVORI Early       7            7            4            4
Max LVORI Late        8            2            5            3
Precip Chance (%)     0            0            20           20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.01         0.01
Precip Begin                                    7 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 57 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Sunny with a slight chance of showers. Highs in the
lower 80s. Minimum RH 51 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. Northwest winds
less than 10 mph.
.MONDAY...Sunny. Highs in the lower 80s. Minimum RH 47 percent.
West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 47 percent. West
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ044-191945-
Washington TN-
Including the city of Johnson City
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      62-67 (-5)   85-90 (+2)   64-69        85-90
RH % (24h trend)      95-100 (0)   43-48 (-16)  88-93        50-55
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   S  3         NW  6        SW  3        W  9
Mixing Hgt(ft-agl)    310          3990         330          3470
Vent Rate (mph-ft)    930          23940        990          31230
Max Dispersion Early  2 Very Poor  14 Gen Poor  2 Very Poor  21 Fair
Max Dispersion Late   2 Very Poor  20 Gen Poor  2 Very Poor  29 Fair
Category Day          1            2            1            3
Max LVORI Early       7            8            5            6
Max LVORI Late        9            2            6            3
Precip Chance (%)     0            0            20           20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.01         0.01
Precip Begin                                    7 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Light
winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
47 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 46 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ042-191945-
Northwest Greene-
Including the city of Greeneville
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mclear       Mclear       Pcldy
Temp (24h trend)      63-68 (-4)   85-90 (+1)   64-69        85-90
RH % (24h trend)      95-100 (0)   45-50 (-13)  91-96        51-56
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   W  3         NW  5        S  3         W  9
Mixing Hgt(ft-agl)    280          3900         280          3370
Vent Rate (mph-ft)    840          19500        840          30330
Max Dispersion Early  2 Very Poor  10 Poor      1 Very Poor  21 Fair
Max Dispersion Late   1 Very Poor  17 Gen Poor  2 Very Poor  28 Fair
Category Day          1            2            1            3
Max LVORI Early       7            9            5            6
Max LVORI Late        9            2            6            3
Precip Chance (%)     0            0            0            20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 Continuing
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. Light
winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 49 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
47 percent. West winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 47 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ038-191945-
Grainger-
Including the city of Bean Station
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      63-68 (-5)   87-92 (+2)   66-71        85-90
RH % (24h trend)      95-100 (-2)  45-50 (-11)  92-97        56-61
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        NW  6        W  3         W  8
Mixing Hgt(ft-agl)    300          4290         320          3410
Vent Rate (mph-ft)    900          25740        960          27280
Max Dispersion Early  3 Very Poor  11 Poor      1 Very Poor  20 Gen Poor
Max Dispersion Late   2 Very Poor  18 Gen Poor  2 Very Poor  25 Fair
Category Day          1            2            1            3
Max LVORI Early       6            8            6            7
Max LVORI Late        9            2            7            3
Precip Chance (%)     0            0            30           30
Precip Type           None         None         Showers      Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.03         0.05
Precip Begin                                    5 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Northwest winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 52 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
46 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 47 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ039-191945-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      64-69 (-5)   86-91 (+2)   66-71        85-90
RH % (24h trend)      95-100 (0)   46-51 (-12)  95-100       57-62
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  2        NW  6        W  3         W  8
Mixing Hgt(ft-agl)    300          4100         310          3170
Vent Rate (mph-ft)    600          24600        930          25360
Max Dispersion Early  3 Very Poor  10 Poor      1 Very Poor  19 Gen Poor
Max Dispersion Late   1 Very Poor  20 Gen Poor  2 Very Poor  23 Fair
Category Day          1            2            1            2
Max LVORI Early       7            9            6            7
Max LVORI Late        10           3            8            3
Precip Chance (%)     0            0            0            30
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 Continuing
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Light and
variable wind.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
48 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ040-191945-
Northwest Cocke-
Including the cities of Bybee and Newport
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mclear       Mclear       Pcldy
Temp (24h trend)      64-69 (-5)   85-90 (+2)   66-71        85-90
RH % (24h trend)      95-100 (0)   44-49 (-15)  91-96        52-57
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  3        NW  6        SW  5        W  9
Mixing Hgt(ft-agl)    290          3850         290          3380
Vent Rate (mph-ft)    870          23100        1450         30420
Max Dispersion Early  2 Very Poor  12 Poor      2 Very Poor  26 Fair
Max Dispersion Late   1 Very Poor  19 Gen Poor  2 Very Poor  28 Fair
Category Day          1            2            1            3
Max LVORI Early       6            8            5            6
Max LVORI Late        9            2            6            3
Precip Chance (%)     0            0            0            20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 8 AM
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Light
winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.SUNDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
47 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 47 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ070-191945-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      65-70 (-5)   87-92 (+2)   67-72        87-92
RH % (24h trend)      95-100 (0)   44-49 (-13)  92-97        53-58
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  3         NW  5        S  3         W  8
Mixing Hgt(ft-agl)    290          4010         300          3400
Vent Rate (mph-ft)    870          20050        900          27200
Max Dispersion Early  3 Very Poor  10 Poor      1 Very Poor  17 Gen Poor
Max Dispersion Late   1 Very Poor  16 Gen Poor  1 Very Poor  23 Fair
Category Day          1            2            1            3
Max LVORI Early       6            9            6            7
Max LVORI Late        9            2            7            3
Precip Chance (%)     0            0            20           30
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.01         0.01
Precip Begin                                    7 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 65 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Northwest winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. West winds
less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
47 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 47 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ035-191945-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      61-66 (-6)   87-92 (+5)   66-71        84-89
RH % (24h trend)      95-100 (0)   41-46 (-14)  94-99        60-65
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        NW  5        S  6         W  8
Mixing Hgt(ft-agl)    350          4240         340          3470
Vent Rate (mph-ft)    1050         21200        2040         27760
Max Dispersion Early  3 Very Poor  14 Gen Poor  2 Very Poor  16 Gen Poor
Max Dispersion Late   2 Very Poor  18 Gen Poor  4 Very Poor  25 Fair
Category Day          1            2            1            3
Max LVORI Early       7            8            5            7
Max LVORI Late        9            3            6            3
Precip Chance (%)     0            0            50           60
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            2
Precip Amount         0.00         0.00         0.07         0.02
Precip Begin                                    2 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Northwest winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
53 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
49 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 51 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ012-191945-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      61-66 (-6)   86-91 (+4)   66-71        83-88
RH % (24h trend)      95-100 (-2)  40-45 (-16)  94-99        59-64
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SE  3        NW  6        SE  5        W  9
Mixing Hgt(ft-agl)    370          4100         320          3400
Vent Rate (mph-ft)    1110         24600        1600         30600
Max Dispersion Early  3 Very Poor  14 Gen Poor  2 Very Poor  21 Fair
Max Dispersion Late   1 Very Poor  21 Fair      4 Very Poor  30 Fair
Category Day          1            2            1            3
Max LVORI Early       6            7            4            6
Max LVORI Late        9            2            6            3
Precip Chance (%)     0            0            60           60
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            2
Precip Amount         0.00         0.00         0.05         0.03
Precip Begin                                    2 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
54 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
49 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 50 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ013-191945-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      62-67 (-5)   83-88 (+3)   66-71        81-86
RH % (24h trend)      95-100 (-2)  49-54 (-13)  94-99        65-70
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  5         NW  5        SE  5        W 10
Mixing Hgt(ft-agl)    330          4110         320          3550
Vent Rate (mph-ft)    1650         20550        1600         35500
Max Dispersion Early  3 Very Poor  14 Gen Poor  2 Very Poor  25 Fair
Max Dispersion Late   2 Very Poor  18 Gen Poor  3 Very Poor  32 Fair
Category Day          1            2            1            3
Max LVORI Early       6            7            5            7
Max LVORI Late        8            3            6            4
Precip Chance (%)     0            0            40           60
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            2
Precip Amount         0.00         0.00         0.05         0.02
Precip Begin                                    3 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 73 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Northwest winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
58 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
54 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent. West
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ014-191945-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      62-67 (-5)   85-90 (+2)   65-70        83-88
RH % (24h trend)      95-100 (-1)  44-49 (-13)  94-99        58-63
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        NW  6        S  5         W  9
Mixing Hgt(ft-agl)    330          4250         340          3310
Vent Rate (mph-ft)    990          25500        1700         29790
Max Dispersion Early  3 Very Poor  14 Gen Poor  2 Very Poor  22 Fair
Max Dispersion Late   2 Very Poor  21 Fair      2 Very Poor  28 Fair
Category Day          1            2            1            3
Max LVORI Early       7            8            6            7
Max LVORI Late        9            2            7            3
Precip Chance (%)     0            0            40           50
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.04         0.06
Precip Begin                                    4 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 53 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
48 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 49 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ037-191945-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      63-68 (-6)   86-91 (+2)   67-72        84-89
RH % (24h trend)      95-100 (-1)  46-51 (-11)  92-97        59-64
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        NW  5        SE  5        W  8
Mixing Hgt(ft-agl)    340          4050         310          3360
Vent Rate (mph-ft)    1020         20250        1550         26880
Max Dispersion Early  3 Very Poor  11 Poor      1 Very Poor  21 Fair
Max Dispersion Late   2 Very Poor  16 Gen Poor  2 Very Poor  25 Fair
Category Day          1            2            1            3
Max LVORI Early       6            9            5            7
Max LVORI Late        9            3            7            3
Precip Chance (%)     0            0            30           40
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.04         0.02
Precip Begin                                    5 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Northwest winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
53 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
48 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 50 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ036-191945-
Anderson-
Including the cities of Oak Ridge and Clinton
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      64-69 (-5)   86-91 (+2)   67-72        84-89
RH % (24h trend)      94-99 (-2)   46-51 (-10)  90-95        58-63
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  5         NW  5        S  5         W  9
Mixing Hgt(ft-agl)    340          4340         320          3550
Vent Rate (mph-ft)    1700         21700        1600         31950
Max Dispersion Early  4 Very Poor  13 Gen Poor  1 Very Poor  23 Fair
Max Dispersion Late   2 Very Poor  17 Gen Poor  2 Very Poor  28 Fair
Category Day          1            2            1            3
Max LVORI Early       6            7            5            6
Max LVORI Late        8            3            6            3
Precip Chance (%)     0            0            30           50
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.05         0.01
Precip Begin                                    5 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Northwest winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
54 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
49 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 51 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ069-191945-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      65-70 (-5)   88-93 (+2)   68-73        87-92
RH % (24h trend)      94-99 (-3)   43-48 (-12)  89-94        54-59
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  3         NW  5        SE  5        SW  8
Mixing Hgt(ft-agl)    310          4360         330          3590
Vent Rate (mph-ft)    930          21800        1650         28720
Max Dispersion Early  3 Very Poor  11 Poor      1 Very Poor  21 Fair
Max Dispersion Late   2 Very Poor  17 Gen Poor  2 Very Poor  26 Fair
Category Day          1            2            1            3
Max LVORI Early       6            8            4            6
Max LVORI Late        8            2            7            3
Precip Chance (%)     0            0            20           40
Precip Type           None         None         Showers      Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.03         0.01
Precip Begin                                    6 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
51 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 46 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 46 percent. West winds
less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ073-191945-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Pcldy        Mclear       Pcldy        Pcldy
Temp (24h trend)      65-70 (-4)   87-92 (+2)   67-72        87-92
RH % (24h trend)      95-100 (-1)  43-48 (-14)  87-92        51-56
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SE  3        NW  5        SW  3        W  8
Mixing Hgt(ft-agl)    290          3850         310          3410
Vent Rate (mph-ft)    870          19250        930          27280
Max Dispersion Early  2 Very Poor  11 Poor      1 Very Poor  19 Gen Poor
Max Dispersion Late   1 Very Poor  15 Gen Poor  2 Very Poor  23 Fair
Category Day          1            2            1            3
Max LVORI Early       7            8            5            6
Max LVORI Late        9            2            6            3
Precip Chance (%)     0            0            20           30
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.01         0.01
Precip Begin                                    7 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            0            30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 53 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Southwest winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
46 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 47 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ067-191945-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      63-68 (-6)   89-94 (+3)   67-72        87-92
RH % (24h trend)      95-100 (0)   45-50 (-9)   93-98        58-63
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  3         NW  5        NW  3        SW  7
Mixing Hgt(ft-agl)    310          4330         310          3340
Vent Rate (mph-ft)    930          21650        930          23380
Max Dispersion Early  4 Very Poor  14 Gen Poor  2 Very Poor  16 Gen Poor
Max Dispersion Late   2 Very Poor  17 Gen Poor  2 Very Poor  19 Gen Poor
Category Day          1            2            1            2
Max LVORI Early       7            9            6            7
Max LVORI Late        10           3            7            3
Precip Chance (%)     0            0            40           40
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.06         0.01
Precip Begin                                    4 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 67 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
53 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
49 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 50 percent. Southwest
winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ068-191945-
Loudon-
Including the cities of Lenoir City and Loudon
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      64-69 (-5)   88-93 (+2)   67-72        88-93
RH % (24h trend)      95-100 (0)   44-49 (-11)  92-97        55-60
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        NW  5        W  3         W  7
Mixing Hgt(ft-agl)    310          4250         310          3480
Vent Rate (mph-ft)    930          21250        930          24360
Max Dispersion Early  3 Very Poor  14 Gen Poor  1 Very Poor  16 Gen Poor
Max Dispersion Late   1 Very Poor  19 Gen Poor  2 Very Poor  20 Gen Poor
Category Day          1            2            1            2
Max LVORI Early       7            9            6            7
Max LVORI Late        10           2            7            3
Precip Chance (%)     0            0            20           30
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.03         0.01
Precip Begin                                    6 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 65 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
52 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
47 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 48 percent. West winds
less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ071-191945-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      65-70 (-5)   88-93 (+3)   68-73        88-93
RH % (24h trend)      95-100 (-2)  43-48 (-13)  86-91        53-58
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     N  5         Lgt/Var      Lgt/Var      W  5
Transport Wnd (mph)   E  3         N  5         SE  3        SW  7
Mixing Hgt(ft-agl)    340          4100         330          3510
Vent Rate (mph-ft)    1020         20500        990          24570
Max Dispersion Early  3 Very Poor  14 Gen Poor  1 Very Poor  16 Gen Poor
Max Dispersion Late   1 Very Poor  17 Gen Poor  2 Very Poor  22 Fair
Category Day          1            2            1            2
Max LVORI Early       6            8            4            5
Max LVORI Late        8            2            5            3
Precip Chance (%)     0            0            0            20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 Continuing
Precip End                                                   Continuing
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 65 percent.
Light winds.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southeast winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. West winds
less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
47 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 47 percent. West winds
less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ086-191945-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      64-69 (-5)   89-94 (+2)   67-72        89-94
RH % (24h trend)      95-100 (0)   41-46 (-12)  89-94        50-55
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        N  6         S  6         SW  7
Mixing Hgt(ft-agl)    340          4030         330          3660
Vent Rate (mph-ft)    1020         24180        1980         25620
Max Dispersion Early  3 Very Poor  14 Gen Poor  1 Very Poor  16 Gen Poor
Max Dispersion Late   1 Very Poor  21 Fair      2 Very Poor  21 Fair
Category Day          1            2            1            2
Max LVORI Early       7            9            5            6
Max LVORI Late        10           2            6            3
Precip Chance (%)     0            0            20           20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.01         0.01
Precip Begin                                    7 AM         Continuing
Precip End                                      Continuing   2 PM
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Light and
variable wind.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 46 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
46 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 46 percent. West winds
less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ083-191945-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      63-68 (-6)   89-94 (+4)   67-72        87-92
RH % (24h trend)      95-100 (-1)  43-48 (-13)  89-94        57-62
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  3         NW  5        W  5         W  9
Mixing Hgt(ft-agl)    300          4230         310          3400
Vent Rate (mph-ft)    900          21150        1550         30600
Max Dispersion Early  3 Very Poor  13 Gen Poor  2 Very Poor  24 Fair
Max Dispersion Late   2 Very Poor  17 Gen Poor  2 Very Poor  29 Fair
Category Day          1            2            1            3
Max LVORI Early       7            8            5            6
Max LVORI Late        9            3            7            3
Precip Chance (%)     0            0            40           40
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.10         0.01
Precip Begin                                    4 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 68 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
55 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
50 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 52 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ084-191945-
Meigs-
Including the city of Big Spring
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      64-69 (-6)   90-95 (+3)   68-73        89-94
RH % (24h trend)      95-100 (0)   41-46 (-11)  93-98        55-60
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  3         NW  5        SW  3        W  8
Mixing Hgt(ft-agl)    290          4090         280          3470
Vent Rate (mph-ft)    870          20450        840          27760
Max Dispersion Early  3 Very Poor  13 Gen Poor  1 Very Poor  21 Fair
Max Dispersion Late   2 Very Poor  17 Gen Poor  1 Very Poor  25 Fair
Category Day          1            2            1            3
Max LVORI Early       7            9            6            7
Max LVORI Late        10           2            8            3
Precip Chance (%)     0            0            30           30
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.12         0.01
Precip Begin                                    5 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 90. Minimum RH 64 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Mostly sunny. Highs around 90. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 47 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
46 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 48 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ085-191945-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      64-69 (-6)   90-95 (+3)   67-72        89-94
RH % (24h trend)      95-100 (0)   39-44 (-11)  90-95        49-54
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        N  6         S  5         W  7
Mixing Hgt(ft-agl)    300          4190         300          3570
Vent Rate (mph-ft)    900          25140        1500         24990
Max Dispersion Early  3 Very Poor  14 Gen Poor  1 Very Poor  18 Gen Poor
Max Dispersion Late   2 Very Poor  21 Fair      1 Very Poor  19 Gen Poor
Category Day          1            2            1            2
Max LVORI Early       6            9            6            7
Max LVORI Late        10           2            7            3
Precip Chance (%)     0            0            0            20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 Continuing
Precip End                                                   2 PM
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. Minimum RH 61 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Mostly sunny. Highs around 90. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Light and
variable wind.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 44 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
43 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 45 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ099-191945-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      65-70 (-6)   91-96 (+3)   69-74        90-95
RH % (24h trend)      93-98 (-3)   36-41 (-13)  86-91        49-54
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     NW  5        Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  3         N  5         SE  5        W  8
Mixing Hgt(ft-agl)    330          4410         310          3590
Vent Rate (mph-ft)    990          22050        1550         28720
Max Dispersion Early  3 Very Poor  13 Gen Poor  1 Very Poor  24 Fair
Max Dispersion Late   2 Very Poor  21 Fair      2 Very Poor  28 Fair
Category Day          1            2            1            3
Max LVORI Early       6            7            4            6
Max LVORI Late        8            2            6            3
Precip Chance (%)     0            0            30           30
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.12         0.02
Precip Begin                                    5 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. Minimum RH 61 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Northwest
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs around 90. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs around 90. Minimum RH 45 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs around 90. Minimum RH 43 percent.
Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 46 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ100-191945-
Bradley-
Including the cities of Cleveland and Tasso
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      65-70 (-6)   90-95 (+2)   68-73        90-95
RH % (24h trend)      95-100 (0)   37-42 (-10)  88-93        47-52
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  3        N  6         S  6         W  7
Mixing Hgt(ft-agl)    310          4130         310          3570
Vent Rate (mph-ft)    930          24780        1860         24990
Max Dispersion Early  3 Very Poor  14 Gen Poor  1 Very Poor  20 Gen Poor
Max Dispersion Late   2 Very Poor  23 Fair      2 Very Poor  21 Fair
Category Day          1            2            1            2
Max LVORI Early       6            9            5            6
Max LVORI Late        9            2            6            3
Precip Chance (%)     0            0            0            20
Precip Type           None         None         None         Tstms
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 Continuing
Precip End                                                   2 PM
Chance of Thunder (%) 0            0            0            20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 58 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. North
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs around 90. Minimum RH 47 percent.
North winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. North
winds less than 10 mph.
.SUNDAY...Sunny. Highs around 90. Minimum RH 43 percent. North
winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs around 90. Minimum RH 41 percent.
Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 43 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ101-191945-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
239 PM EDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      63-68 (-6)   90-95 (+3)   67-72        90-95
RH % (24h trend)      95-100 (0)   37-42 (-11)  89-94        45-50
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   NE  5        N  7         SE  3        W  7
Mixing Hgt(ft-agl)    350          3930         340          4040
Vent Rate (mph-ft)    1750         27510        1020         28280
Max Dispersion Early  2 Very Poor  17 Gen Poor  2 Very Poor  19 Gen Poor
Max Dispersion Late   2 Very Poor  23 Fair      2 Very Poor  24 Fair
Category Day          1            2            1            2
Max LVORI Early       6            9            4            6
Max LVORI Late        9            2            6            3
Precip Chance (%)     0            0            0            10
Precip Type           None         None         None         Showers
Precip Duration                                              1
Precip Amount         0.00         0.00         0.00         0.01
Precip Begin                                                 8 AM
Precip End                                                   2 PM
Chance of Thunder (%) 0            0            0            0

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. Minimum RH 57 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
47 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 42 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
41 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 42 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ082-191945-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
139 PM CDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Pcldy        Pcldy
Temp (24h trend)      61-66 (-6)   87-92 (+5)   66-71        86-91
RH % (24h trend)      95-100 (-1)  41-46 (-16)  87-92        58-63
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  3         NW  6        W  7         W  9
Mixing Hgt(ft-agl)    330          4040         320          3230
Vent Rate (mph-ft)    990          24240        2240         29070
Max Dispersion Early  3 Very Poor  13 Gen Poor  2 Very Poor  22 Fair
Max Dispersion Late   1 Very Poor  19 Gen Poor  2 Very Poor  28 Fair
Category Day          1            2            1            2
Max LVORI Early       7            8            4            6
Max LVORI Late        9            2            6            3
Precip Chance (%)     0            0            40           50
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.14         0.01
Precip Begin                                    2 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 68 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Northwest winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
56 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
50 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 52 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ081-191945-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
139 PM CDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      62-67 (-5)   87-92 (+4)   67-72        86-91
RH % (24h trend)      94-99 (-4)   40-45 (-13)  86-91        56-61
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  3         N  6         SW  6        W  9
Mixing Hgt(ft-agl)    350          4330         320          3650
Vent Rate (mph-ft)    1050         25980        1920         32850
Max Dispersion Early  4 Very Poor  16 Gen Poor  2 Very Poor  22 Fair
Max Dispersion Late   2 Very Poor  22 Fair      2 Very Poor  28 Fair
Category Day          1            2            1            3
Max LVORI Early       6            7            4            5
Max LVORI Late        8            2            5            3
Precip Chance (%)     0            0            40           50
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.21         0.03
Precip Begin                                    2 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           30

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Northwest winds less than
10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
48 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 51 percent.
West winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$

TNZ098-191945-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
139 PM CDT Tue Aug 18 2026

                      Tonight      Wed          Wed Night    Thu

Cloud Cover           Mclear       Mclear       Mclear       Pcldy
Temp (24h trend)      63-68 (-5)   88-93 (+4)   68-73        87-92
RH % (24h trend)      90-95 (-8)   37-42 (-10)  85-90        52-57
RH Recovery           Excellent                 Excellent
AM 20FT Wnd (mph)                  Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   N  5         N  5         SW  5        W  8
Mixing Hgt(ft-agl)    320          4360         300          3840
Vent Rate (mph-ft)    1600         21800        1500         30720
Max Dispersion Early  3 Very Poor  14 Gen Poor  2 Very Poor  23 Fair
Max Dispersion Late   1 Very Poor  22 Fair      2 Very Poor  29 Fair
Category Day          1            2            1            3
Max LVORI Early       5            7            4            5
Max LVORI Late        7            2            5            3
Precip Chance (%)     0            0            30           40
Precip Type           None         None         Tstms        Tstms
Precip Duration                                 1            1
Precip Amount         0.00         0.00         0.14         0.07
Precip Begin                                    2 AM         Continuing
Precip End                                      Continuing   Continuing
Chance of Thunder (%) 0            0            20           20

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 62 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.SATURDAY...Sunny. Highs in the upper 80s. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 46 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
44 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 48 percent.
Southwest winds less than 10 mph.


*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.

$$



                

Minimum Potential Accumulation

Expect at least this much. This is what we see as the least amount of snow the storm can produce.

This information is for advance planning ahead of the storm. It is provided out as far as three days. However, when the snow starts to fall, this will be discontinued to focus on the forecast snow amount.
 

Most Likely Snow Accumulation

Represents our official snow forecast in inches within the next one to three days. The snowfall amounts are provided in point (single number) and ranges (1-2", 2-4", etc.). You can toggle between the two by hovering over the "Point" and "Range" text above the image. The point amount is our forecast but the range for the "most likely" represents the forecast uncertainty in predefined ranges.

Maximum Potential Accumulation

What you should be prepared for. This is what we see as the storm's maximum potential snowfall accumulation.

This information is for advance planning ahead of the storm. It is provided out as far as three days. However, when the snow starts to fall, this will be discontinued to focus on the forecast snow amount.

 

Short to Long-Range Forecast
7 Day Forecasts  Hourly Weather Forecast Digital Tabular Forecast

Hourly Forecast

Hourly Forecast Hourly Forecast
   
 
Day 1 Forecast Precipitation Day 2 Forecast Precipitation
Days 1-2 Precip Days 1-3 Precip
   
Day 3 Forecast Precipitation Days 1-3 Forecast Precipitation
Days 4-5 Precip Days 6-7 Precip
   

Days 6-10

Temperature  Precipitation
6-10 day temperature 6-10 day precipitation
   

Days 8-14

TEMPERATURE  PRECIPITATION
8-14 day temperature 8-14 day precipitation

 

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HAZARDOUS WEATHER OUTLOOK FORECAST DISCUSSION SPECIAL WEATHER STATEMENT PUBLIC INFORMATION STATEMENT

 

 

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