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Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

These products and outlook graphics can be used to support the fire weather program across east Tennessee, southwest Virginia, and southwest North Carolina. For more information, please call the NWS Morristown, Tennessee.
 
 
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393
FNUS54 KMRX 200640
FWFMRX

Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
240 AM EDT Wed May 20 2026

.DISCUSSION...


A wet and unsettled weather pattern will develop on Wednesday and
continue through the weekend. Occasional showers and afternoon
thunderstorms are anticipated each day, especially during the
afternoon and early evening hours. Lightning, small hail, and
gusty winds can be expected during any thunderstorm. Rainfall
amounts will be wide ranging, depending on "winners and losers" in
the daily random storm chances. Mountains will serve as a focus
for storm development.



VAZ001-210745-
Lee-
Including the city of Rose Hill
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      84-89 (-1)   60-65 (-2)   76-81
RH % (24h trend)      47-52 (+10)  95-100 (+14) 68-73
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  5                     Lgt/Var
PM 20FT Wnd (mph)     W  6         N  7         Lgt/Var
Transport Wnd (mph)   SW 12        NE  5        NW  5
Mixing Hgt(ft-agl)    6210         420          2810
Vent Rate (mph-ft)    74520        2100         14050
Max Dispersion Early  58 Gen Good  5 Very Poor  11 Poor
Max Dispersion Late   60 Gen Good  2 Very Poor  12 Poor
Category Day          4            1            1
Max LVORI Early       5            7            10
Max LVORI Late        3            9            4
Precip Chance (%)     50           50           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.07         0.03         0.21
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           40           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. East winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. Southeast winds less than
10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 71 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 70 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.

$$

VAZ002-210745-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      81-86 (-3)   59-64 (-3)   71-76
RH % (24h trend)      47-52 (+9)   95-100 (+19) 73-78
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  7                     Lgt/Var
PM 20FT Wnd (mph)     W  6         N  7         NE  5
Transport Wnd (mph)   SW 12        NE  5        NE  7
Mixing Hgt(ft-agl)    6380         410          1690
Vent Rate (mph-ft)    76560        2050         11830
Max Dispersion Early  59 Gen Good  7 Poor       9 Poor
Max Dispersion Late   66 Good      2 Very Poor  12 Poor
Category Day          4            1            1
Max LVORI Early       4            7            9
Max LVORI Late        3            9            4
Precip Chance (%)     50           70           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            2            3
Precip Amount         0.05         0.07         0.22
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           40           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely. Lows around
60. East winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 74 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 76 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 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.

$$

VAZ005-210745-
Scott VA-
Including the city of Hiltons
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      84-89 (-3)   62-67 (-1)   77-82
RH % (24h trend)      44-49 (+6)   95-100 (+15) 69-74
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  6                     Lgt/Var
PM 20FT Wnd (mph)     W  6         N  7         NE  5
Transport Wnd (mph)   SW 10        NE  6        N  6
Mixing Hgt(ft-agl)    6550         400          2940
Vent Rate (mph-ft)    65500        2400         17640
Max Dispersion Early  55 Gen Good  4 Very Poor  14 Gen Poor
Max Dispersion Late   60 Gen Good  2 Very Poor  16 Gen Poor
Category Day          4            1            2
Max LVORI Early       5            7            8
Max LVORI Late        2            9            4
Precip Chance (%)     30           60           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            2            3
Precip Amount         0.01         0.07         0.19
Precip Begin          5 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 30           40           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. East winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 74 percent. Southeast winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 77 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 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.

$$

VAZ006-210745-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Mclear       Mcldy        Mcldy
Temp (24h trend)      82-87 (-3)   61-66 (-2)   73-78
RH % (24h trend)      41-46 (+6)   95-100 (+21) 71-76
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  7                     Lgt/Var
PM 20FT Wnd (mph)     W  7         N  7         Lgt/Var
Transport Wnd (mph)   SW 12        NE  5        N  7
Mixing Hgt(ft-agl)    6820         420          2090
Vent Rate (mph-ft)    81840        2100         14630
Max Dispersion Early  60 Gen Good  9 Poor       11 Poor
Max Dispersion Late   71 Good      2 Very Poor  14 Gen Poor
Category Day          4            1            1
Max LVORI Early       4            7            8
Max LVORI Late        2            8            4
Precip Chance (%)     30           70           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.01         0.12         0.21
Precip Begin          5 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 30           40           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. East winds 5 to 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 72 percent. Southeast winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 77 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 68 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 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.

$$

VAZ008-210745-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Mclear       Mcldy        Mcldy
Temp (24h trend)      83-88 (-1)   59-64 (-2)   76-81
RH % (24h trend)      40-45 (+2)   95-100 (+22) 67-72
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  8                     Lgt/Var
PM 20FT Wnd (mph)     W  7         N  8         NE  5
Transport Wnd (mph)   SW 12        NE  5        W  6
Mixing Hgt(ft-agl)    6490         380          2700
Vent Rate (mph-ft)    77880        1900         16200
Max Dispersion Early  57 Gen Good  4 Very Poor  12 Poor
Max Dispersion Late   63 Good      2 Very Poor  15 Gen Poor
Category Day          4            1            2
Max LVORI Early       4            6            9
Max LVORI Late        2            9            4
Precip Chance (%)     30           70           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.02         0.15         0.26
Precip Begin          6 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 30           40           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows around 60. East winds 5 to 10 mph.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 71 percent.
Southeast winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows around 60. Southeast winds 5 to
10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 75 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 60. Southeast winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 70 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 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.

$$

TNZ018-210745-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Mclear       Mcldy        Mcldy
Temp (24h trend)      82-87 (-2)   57-62 (-3)   75-80
RH % (24h trend)      38-43 (+3)   95-100 (+27) 60-65
RH Recovery                        Excellent
AM 20FT Wnd (mph)     W  5                      Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  9        SE  5        SW  7
Mixing Hgt(ft-agl)    6300         410          3000
Vent Rate (mph-ft)    56700        2050         21000
Max Dispersion Early  48 Gen Good  6 Very Poor  17 Gen Poor
Max Dispersion Late   51 Gen Good  3 Very Poor  17 Gen Poor
Category Day          3            1            2
Max LVORI Early       3            6            7
Max LVORI Late        2            8            4
Precip Chance (%)     50           60           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            4
Precip Amount         0.04         0.15         0.34
Precip Begin          3 PM         Continuing   8 AM
Precip End            Continuing   7 AM         Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 50s. Southeast winds
less than 10 mph.
.FRIDAY...Partly sunny with showers likely and a slight chance of
thunderstorms. Highs in the lower 70s. Minimum RH 69 percent.
Southeast winds 5 to 10 mph.
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the upper 50s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 72 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 50s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 67 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. South
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 67 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.

$$

TNZ047-210745-
Southeast Carter-
Including the city of Hampton
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      80-85 (-3)   59-64 (-2)   74-79
RH % (24h trend)      41-46 (+6)   90-95 (+23)  66-71
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      SW  5        Lgt/Var
Transport Wnd (mph)   SW  8        NW  6        S  6
Mixing Hgt(ft-agl)    6420         410          2900
Vent Rate (mph-ft)    51360        2460         17400
Max Dispersion Early  48 Gen Good  6 Very Poor  14 Gen Poor
Max Dispersion Late   48 Gen Good  3 Very Poor  12 Poor
Category Day          3            1            2
Max LVORI Early       3            5            6
Max LVORI Late        2            6            4
Precip Chance (%)     60           60           100
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.10         0.12         0.41
Precip Begin          2 PM         Continuing   8 AM
Precip End            Continuing   5 AM         Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 50s. Southeast winds
5 to 10 mph.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 70s. Minimum RH 72 percent.
Southeast winds 5 to 10 mph.
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows around 60. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 75 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 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.

$$

TNZ045-210745-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      81-86 (-3)   61-66 (-2)   74-79
RH % (24h trend)      41-46 (+8)   89-94 (+22)  65-70
RH Recovery                        Excellent
AM 20FT Wnd (mph)     W  5                      Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      SW  5        Lgt/Var
Transport Wnd (mph)   SW  8        S  5         SW  6
Mixing Hgt(ft-agl)    6330         400          2870
Vent Rate (mph-ft)    50640        2000         17220
Max Dispersion Early  42 Gen Good  5 Very Poor  15 Gen Poor
Max Dispersion Late   44 Gen Good  4 Very Poor  12 Poor
Category Day          3            1            2
Max LVORI Early       3            5            6
Max LVORI Late        3            6            4
Precip Chance (%)     60           60           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.12         0.23         0.46
Precip Begin          2 PM         Continuing   10 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Minimum RH 68 percent.
Southeast winds 5 to 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 73 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 68 percent. South winds less than 10 mph.
.SUNDAY 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.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 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.

$$

TNZ043-210745-
Southeast Greene-
Including the city of Cedar Creek
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      81-86 (-3)   61-66 (-2)   74-79
RH % (24h trend)      41-46 (+6)   90-95 (+22)  64-69
RH Recovery                        Excellent
AM 20FT Wnd (mph)     W  6                      Lgt/Var
PM 20FT Wnd (mph)     W  5         SW  7        Lgt/Var
Transport Wnd (mph)   SW  8        SE  3        W  6
Mixing Hgt(ft-agl)    6180         390          2770
Vent Rate (mph-ft)    49440        1170         16620
Max Dispersion Early  42 Gen Good  7 Poor       13 Gen Poor
Max Dispersion Late   43 Gen Good  4 Very Poor  14 Gen Poor
Category Day          3            1            2
Max LVORI Early       3            5            6
Max LVORI Late        2            6            4
Precip Chance (%)     50           60           100
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.11         0.19         0.40
Precip Begin          3 PM         Continuing   10 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

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 lower 60s. Southeast
winds 5 to 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 67 percent. Southeast winds 5 to 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 73 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 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.

$$

TNZ041-210745-
Cocke Smoky Mountains-
Including the city of Hartford
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      81-86 (-3)   62-67 (-2)   74-79
RH % (24h trend)      42-47 (+6)   92-97 (+23)  68-73
RH Recovery                        Excellent
AM 20FT Wnd (mph)     NW  6                     Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      SW  5        Lgt/Var
Transport Wnd (mph)   SW  8        SE  5        W  6
Mixing Hgt(ft-agl)    5820         390          2430
Vent Rate (mph-ft)    46560        1950         14580
Max Dispersion Early  41 Gen Good  6 Very Poor  11 Poor
Max Dispersion Late   36 Fair      4 Very Poor  11 Poor
Category Day          3            1            2
Max LVORI Early       3            5            6
Max LVORI Late        3            6            4
Precip Chance (%)     70           60           100
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.16         0.08         0.37
Precip Begin          2 PM         Continuing   10 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

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. Southeast
winds 5 to 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 67 percent. South winds 5 to 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.SUNDAY 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.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 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.

$$

TNZ074-210745-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      78-83 (-3)   61-66 (-1)   72-77
RH % (24h trend)      43-48 (+7)   93-98 (+21)  64-69
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  7                     SW  5
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  9        S  6         W  7
Mixing Hgt(ft-agl)    5510         400          2310
Vent Rate (mph-ft)    49590        2400         16170
Max Dispersion Early  43 Gen Good  6 Very Poor  13 Gen Poor
Max Dispersion Late   42 Gen Good  3 Very Poor  11 Poor
Category Day          3            1            2
Max LVORI Early       4            5            5
Max LVORI Late        3            6            4
Precip Chance (%)     70           50           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            4
Precip Amount         0.14         0.02         0.44
Precip Begin          2 PM         Continuing   9 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

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 lower 60s. Southeast
winds 5 to 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 70 percent. South winds 5 to 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 74 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 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.

$$

TNZ072-210745-
Blount Smoky Mountains-
Including the city of Cades Cove
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      84-89 (-2)   63-68 (-2)   78-83
RH % (24h trend)      42-47 (+8)   94-99 (+23)  61-66
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  6                     Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  9        S  5         W  6
Mixing Hgt(ft-agl)    5810         440          2290
Vent Rate (mph-ft)    52290        2200         13740
Max Dispersion Early  47 Gen Good  4 Very Poor  11 Poor
Max Dispersion Late   42 Gen Good  2 Very Poor  12 Poor
Category Day          3            1            2
Max LVORI Early       3            5            7
Max LVORI Late        3            6            4
Precip Chance (%)     60           50           100
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.12         0.02         0.36
Precip Begin          2 PM         Continuing   8 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

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. Southeast
winds 5 to 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 63 percent. South winds 5 to 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 64 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.

$$

TNZ087-210745-
Southeast Monroe-
Including the cities of Citico and Coker Creek
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      83-88 (-1)   62-67 (-3)   77-82
RH % (24h trend)      41-46 (+5)   95-100 (+22) 62-67
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  5                     Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  9        NW  6        SW  6
Mixing Hgt(ft-agl)    5480         420          2840
Vent Rate (mph-ft)    49320        2520         17040
Max Dispersion Early  45 Gen Good  4 Very Poor  15 Gen Poor
Max Dispersion Late   41 Gen Good  2 Very Poor  16 Gen Poor
Category Day          3            1            2
Max LVORI Early       4            6            7
Max LVORI Late        3            7            4
Precip Chance (%)     60           40           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.12         0.01         0.38
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 65 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 67 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 67 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 66 percent. South 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.

$$

TNZ102-210745-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      84-89 (-2)   61-66 (-2)   79-84
RH % (24h trend)      45-50 (+10)  95-100 (+17) 63-68
RH Recovery                        Excellent
AM 20FT Wnd (mph)     S  7                      Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  9        SE  5        SW  7
Mixing Hgt(ft-agl)    6040         400          2800
Vent Rate (mph-ft)    54360        2000         19600
Max Dispersion Early  46 Gen Good  5 Very Poor  17 Gen Poor
Max Dispersion Late   49 Gen Good  2 Very Poor  14 Gen Poor
Category Day          3            1            2
Max LVORI Early       5            7            9
Max LVORI Late        3            8            3
Precip Chance (%)     60           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.18         0.03         0.34
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 70 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 64 percent. South 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.

$$

NCZ060-210745-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      84-89 (-1)   60-65 (-1)   78-83
RH % (24h trend)      45-50 (+9)   95-100 (+17) 60-65
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  8        NW  5        SW  7
Mixing Hgt(ft-agl)    5350         400          2800
Vent Rate (mph-ft)    42800        2000         19600
Max Dispersion Early  37 Fair      3 Very Poor  17 Gen Poor
Max Dispersion Late   38 Fair      2 Very Poor  17 Gen Poor
Category Day          3            1            2
Max LVORI Early       5            8            9
Max LVORI Late        3            9            3
Precip Chance (%)     60           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.07         0.08         0.32
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 66 percent. Southeast winds less than
10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 60s. Southeast winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South 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.

$$

NCZ061-210745-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Pcldy        Mcldy
Temp (24h trend)      80-85 (-2)   59-64 (-1)   75-80
RH % (24h trend)      51-56 (+11)  95-100 (+16) 67-72
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  5                     Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  8        E  5         SW  8
Mixing Hgt(ft-agl)    5360         420          2900
Vent Rate (mph-ft)    42880        2100         23200
Max Dispersion Early  35 Fair      3 Very Poor  19 Gen Poor
Max Dispersion Late   39 Fair      2 Very Poor  21 Fair
Category Day          3            1            2
Max LVORI Early       5            7            8
Max LVORI Late        3            7            4
Precip Chance (%)     50           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.07         0.05         0.22
Precip Begin          2 PM         Continuing   9 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 74 percent. Southeast winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 76 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 60s. Southeast winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. South 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.

$$

TNZ015-210745-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-1)   59-64 (-3)   79-84
RH % (24h trend)      43-48 (+8)   95-100 (+13) 66-71
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        E  5         W  6
Mixing Hgt(ft-agl)    6730         400          3330
Vent Rate (mph-ft)    80760        2000         19980
Max Dispersion Early  63 Good      4 Very Poor  12 Poor
Max Dispersion Late   66 Good      2 Very Poor  15 Gen Poor
Category Day          4            1            2
Max LVORI Early       5            7            10
Max LVORI Late        2            10           4
Precip Chance (%)     50           50           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.06         0.03         0.16
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southeast winds less than
10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 74 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 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.

$$

TNZ016-210745-
Hawkins-
Including the city of Mooresburg
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-2)   60-65 (-2)   79-84
RH % (24h trend)      44-49 (+7)   95-100 (+13) 66-71
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     W  5         W  5         Lgt/Var
Transport Wnd (mph)   SW 10        NE  5        W  6
Mixing Hgt(ft-agl)    6890         390          3470
Vent Rate (mph-ft)    68900        1950         20820
Max Dispersion Early  56 Gen Good  5 Very Poor  13 Gen Poor
Max Dispersion Late   62 Good      2 Very Poor  17 Gen Poor
Category Day          4            1            2
Max LVORI Early       6            7            9
Max LVORI Late        2            10           4
Precip Chance (%)     40           50           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.03         0.03         0.19
Precip Begin          4 PM         Continuing   8 AM
Precip End            Continuing   6 AM         Continuing
Chance of Thunder (%) 40           40           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southeast winds less than
10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 76 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 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.

$$

TNZ017-210745-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Mclear       Mcldy        Pcldy
Temp (24h trend)      85-90 (-2)   61-66 (-2)   78-83
RH % (24h trend)      40-45 (+3)   95-100 (+21) 65-70
RH Recovery                        Excellent
AM 20FT Wnd (mph)     W  6                      Lgt/Var
PM 20FT Wnd (mph)     W  6         N  6         Lgt/Var
Transport Wnd (mph)   SW 10        NE  5        W  7
Mixing Hgt(ft-agl)    6720         370          3030
Vent Rate (mph-ft)    67200        1850         21210
Max Dispersion Early  52 Gen Good  6 Very Poor  15 Gen Poor
Max Dispersion Late   59 Gen Good  2 Very Poor  17 Gen Poor
Category Day          4            1            2
Max LVORI Early       4            6            8
Max LVORI Late        2            8            4
Precip Chance (%)     40           70           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            4
Precip Amount         0.02         0.14         0.25
Precip Begin          5 PM         Continuing   8 AM
Precip End            Continuing   6 AM         Continuing
Chance of Thunder (%) 40           40           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds 5 to
10 mph.
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 66 percent. Southeast
winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 72 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 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.

$$

TNZ046-210745-
Northwest Carter-
Including the city of Elizabethton
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Mclear       Mcldy        Mcldy
Temp (24h trend)      84-89 (-1)   59-64 (-3)   77-82
RH % (24h trend)      38-43 (+2)   95-100 (+25) 62-67
RH Recovery                        Excellent
AM 20FT Wnd (mph)     W  5                      Lgt/Var
PM 20FT Wnd (mph)     W  5         Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  9        N  5         SW  6
Mixing Hgt(ft-agl)    6730         410          3180
Vent Rate (mph-ft)    60570        2050         19080
Max Dispersion Early  49 Gen Good  5 Very Poor  15 Gen Poor
Max Dispersion Late   53 Gen Good  3 Very Poor  16 Gen Poor
Category Day          4            1            2
Max LVORI Early       3            7            7
Max LVORI Late        2            8            3
Precip Chance (%)     50           70           100
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            4
Precip Amount         0.11         0.19         0.24
Precip Begin          4 PM         Continuing   8 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 63 percent.
Southeast winds 5 to 10 mph.
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 64 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 66 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.

$$

TNZ044-210745-
Washington TN-
Including the city of Johnson City
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      85-90 (-3)   61-66 (-2)   78-83
RH % (24h trend)      40-45 (+4)   95-100 (+25) 63-68
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     W  5         Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  9        E  3         W  6
Mixing Hgt(ft-agl)    6730         350          2960
Vent Rate (mph-ft)    60570        1050         17760
Max Dispersion Early  50 Gen Good  5 Very Poor  13 Gen Poor
Max Dispersion Late   54 Gen Good  3 Very Poor  16 Gen Poor
Category Day          4            1            2
Max LVORI Early       3            5            7
Max LVORI Late        2            7            3
Precip Chance (%)     50           60           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.08         0.19         0.36
Precip Begin          4 PM         Continuing   8 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           40           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 63 percent. Southeast winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 69 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 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.

$$

TNZ042-210745-
Northwest Greene-
Including the city of Greeneville
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-2)   61-66 (-2)   79-84
RH % (24h trend)      42-47 (+5)   95-100 (+22) 64-69
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     W  6         W  6         Lgt/Var
Transport Wnd (mph)   SW  9        E  5         W  6
Mixing Hgt(ft-agl)    6570         360          3080
Vent Rate (mph-ft)    59130        1800         18480
Max Dispersion Early  50 Gen Good  8 Poor       13 Gen Poor
Max Dispersion Late   51 Gen Good  3 Very Poor  16 Gen Poor
Category Day          4            1            2
Max LVORI Early       4            6            8
Max LVORI Late        2            8            3
Precip Chance (%)     50           60           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.04         0.10         0.28
Precip Begin          4 PM         Continuing   11 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

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 lower 60s. East winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. Southeast winds less than
10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 70 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 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.

$$

TNZ038-210745-
Grainger-
Including the city of Bean Station
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-2)   61-66 (-2)   79-84
RH % (24h trend)      44-49 (+7)   95-100 (+14) 66-71
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     W  5         Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        NE  5        W  6
Mixing Hgt(ft-agl)    6540         380          2880
Vent Rate (mph-ft)    78480        1900         17280
Max Dispersion Early  63 Good      4 Very Poor  13 Gen Poor
Max Dispersion Late   65 Good      2 Very Poor  14 Gen Poor
Category Day          4            1            2
Max LVORI Early       5            7            9
Max LVORI Late        3            9            4
Precip Chance (%)     50           50           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.06         0.02         0.27
Precip Begin          2 PM         Continuing   8 AM
Precip End            Continuing   4 AM         Continuing
Chance of Thunder (%) 40           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southeast winds less than
10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. West winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 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.

$$

TNZ039-210745-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-1)   61-66 (-2)   79-84
RH % (24h trend)      43-48 (+3)   95-100 (+11) 67-72
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        NE  5        W  6
Mixing Hgt(ft-agl)    6650         370          2850
Vent Rate (mph-ft)    66500        1850         17100
Max Dispersion Early  61 Good      4 Very Poor  13 Gen Poor
Max Dispersion Late   61 Good      2 Very Poor  14 Gen Poor
Category Day          4            1            2
Max LVORI Early       6            7            9
Max LVORI Late        2            10           4
Precip Chance (%)     50           50           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.06         0.04         0.29
Precip Begin          3 PM         Continuing   10 AM
Precip End            Continuing   3 AM         Continuing
Chance of Thunder (%) 40           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southeast winds less than
10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 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.

$$

TNZ040-210745-
Northwest Cocke-
Including the cities of Bybee and Newport
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      85-90 (-2)   63-68 (-2)   78-83
RH % (24h trend)      44-49 (+5)   95-100 (+21) 68-73
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW  9        E  3         W  6
Mixing Hgt(ft-agl)    6250         350          2550
Vent Rate (mph-ft)    56250        1050         15300
Max Dispersion Early  49 Gen Good  7 Poor       12 Poor
Max Dispersion Late   46 Gen Good  2 Very Poor  13 Gen Poor
Category Day          3            1            2
Max LVORI Early       4            5            8
Max LVORI Late        2            8            4
Precip Chance (%)     60           60           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.09         0.13         0.32
Precip Begin          2 PM         Continuing   10 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

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. Southeast
winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. Southeast winds less than
10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. Southwest winds less than
10 mph.
.SUNDAY 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.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. West winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 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.

$$

TNZ070-210745-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-1)   63-68 (-2)   79-84
RH % (24h trend)      45-50 (+6)   95-100 (+16) 69-74
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        E  5         W  7
Mixing Hgt(ft-agl)    6610         360          2690
Vent Rate (mph-ft)    66100        1800         18830
Max Dispersion Early  62 Good      4 Very Poor  13 Gen Poor
Max Dispersion Late   60 Gen Good  2 Very Poor  15 Gen Poor
Category Day          4            1            2
Max LVORI Early       5            6            9
Max LVORI Late        2            9            4
Precip Chance (%)     50           50           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.06         0.06         0.28
Precip Begin          2 PM         Continuing   10 AM
Precip End            Continuing   3 AM         Continuing
Chance of Thunder (%) 40           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Light and variable
wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. West winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 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.

$$

TNZ035-210745-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      83-88 (-2)   59-64 (-3)   77-82
RH % (24h trend)      56-61 (+12)  95-100 (+11) 71-76
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        N  6         SE  5
Mixing Hgt(ft-agl)    4600         420          2140
Vent Rate (mph-ft)    46000        2520         10700
Max Dispersion Early  45 Gen Good  2 Very Poor  10 Poor
Max Dispersion Late   35 Fair      2 Very Poor  11 Poor
Category Day          3            1            1
Max LVORI Early       6            7            10
Max LVORI Late        4            10           5
Precip Chance (%)     80           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       3            1            3
Precip Amount         0.26         0.01         0.19
Precip Begin          11 AM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 74 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 75 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. South 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.

$$

TNZ012-210745-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      82-87 (-2)   60-65 (-4)   75-80
RH % (24h trend)      57-62 (+12)  95-100 (+16) 70-75
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        E  5         SE  7
Mixing Hgt(ft-agl)    4410         410          1870
Vent Rate (mph-ft)    52920        2050         13090
Max Dispersion Early  45 Gen Good  4 Very Poor  8 Poor
Max Dispersion Late   35 Fair      2 Very Poor  12 Poor
Category Day          3            1            1
Max LVORI Early       5            7            8
Max LVORI Late        4            8            4
Precip Chance (%)     90           50           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       3            1            3
Precip Amount         0.42         0.03         0.16
Precip Begin          11 AM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 71 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 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.

$$

TNZ013-210745-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      81-86 (-3)   61-66 (-3)   74-79
RH % (24h trend)      53-58 (+11)  95-100 (+18) 72-77
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  5                     Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        E  5         N  7
Mixing Hgt(ft-agl)    5500         390          1980
Vent Rate (mph-ft)    66000        1950         13860
Max Dispersion Early  55 Gen Good  5 Very Poor  7 Poor
Max Dispersion Late   47 Gen Good  2 Very Poor  12 Poor
Category Day          4            1            1
Max LVORI Early       4            6            8
Max LVORI Late        4            8            4
Precip Chance (%)     90           50           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       3            1            3
Precip Amount         0.24         0.02         0.21
Precip Begin          11 AM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 77 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 78 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 73 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 74 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 71 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.

$$

TNZ014-210745-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      85-90 (-2)   60-65 (-2)   77-82
RH % (24h trend)      44-49 (+7)   95-100 (+14) 66-71
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        NE  5        SE  5
Mixing Hgt(ft-agl)    6170         400          2470
Vent Rate (mph-ft)    74040        2000         12350
Max Dispersion Early  62 Good      5 Very Poor  11 Poor
Max Dispersion Late   61 Good      2 Very Poor  12 Poor
Category Day          4            1            1
Max LVORI Early       5            8            10
Max LVORI Late        3            10           4
Precip Chance (%)     70           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            4
Precip Amount         0.15         0.03         0.18
Precip Begin          12 PM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 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.

$$

TNZ037-210745-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      85-90 (-2)   61-66 (-3)   78-83
RH % (24h trend)      47-52 (+10)  95-100 (+17) 67-72
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        NE  5        SW  6
Mixing Hgt(ft-agl)    6270         380          2570
Vent Rate (mph-ft)    75240        1900         15420
Max Dispersion Early  62 Good      4 Very Poor  12 Poor
Max Dispersion Late   63 Good      2 Very Poor  14 Gen Poor
Category Day          4            1            2
Max LVORI Early       4            7            8
Max LVORI Late        3            8            4
Precip Chance (%)     70           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.14         0.02         0.20
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Northeast winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 76 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southwest winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 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.

$$

TNZ036-210745-
Anderson-
Including the cities of Oak Ridge and Clinton
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Pcldy
Temp (24h trend)      83-88 (-2)   61-66 (-3)   77-82
RH % (24h trend)      48-53 (+8)   95-100 (+17) 66-71
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  6                     Lgt/Var
PM 20FT Wnd (mph)     W  5         NE  5        Lgt/Var
Transport Wnd (mph)   SW 12        NE  6        S  5
Mixing Hgt(ft-agl)    5910         400          2760
Vent Rate (mph-ft)    70920        2400         13800
Max Dispersion Early  61 Good      3 Very Poor  12 Poor
Max Dispersion Late   58 Gen Good  2 Very Poor  14 Gen Poor
Category Day          4            1            1
Max LVORI Early       5            7            9
Max LVORI Late        3            9            5
Precip Chance (%)     70           40           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.09         0.02         0.23
Precip Begin          1 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 76 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 80 percent. Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southwest winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 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.

$$

TNZ069-210745-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-2)   63-68 (-2)   79-84
RH % (24h trend)      45-50 (+8)   95-100 (+20) 66-71
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     W  5         Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        NE  6        S  7
Mixing Hgt(ft-agl)    6650         370          3230
Vent Rate (mph-ft)    79800        2220         22610
Max Dispersion Early  64 Good      3 Very Poor  15 Gen Poor
Max Dispersion Late   67 Good      3 Very Poor  18 Gen Poor
Category Day          4            1            2
Max LVORI Early       4            6            8
Max LVORI Late        3            8            4
Precip Chance (%)     60           40           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.06         0.03         0.29
Precip Begin          2 PM         Continuing   9 AM
Precip End            Continuing   8 AM         Continuing
Chance of Thunder (%) 40           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Northeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southwest winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 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.

$$

TNZ073-210745-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-2)   63-68 (-2)   79-84
RH % (24h trend)      44-49 (+7)   95-100 (+20) 66-71
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        E  5         NW  6
Mixing Hgt(ft-agl)    6440         360          2360
Vent Rate (mph-ft)    64400        1800         14160
Max Dispersion Early  58 Gen Good  5 Very Poor  11 Poor
Max Dispersion Late   53 Gen Good  3 Very Poor  13 Gen Poor
Category Day          4            1            2
Max LVORI Early       4            5            7
Max LVORI Late        2            7            4
Precip Chance (%)     60           50           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.15         0.05         0.25
Precip Begin          2 PM         Continuing   9 AM
Precip End            Continuing   2 AM         Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 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.

$$

TNZ067-210745-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-1)   61-66 (-2)   80-85
RH % (24h trend)      49-54 (+9)   95-100 (+11) 69-74
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        NW  6        S  5
Mixing Hgt(ft-agl)    5880         420          2820
Vent Rate (mph-ft)    58800        2520         14100
Max Dispersion Early  55 Gen Good  3 Very Poor  13 Gen Poor
Max Dispersion Late   56 Gen Good  2 Very Poor  15 Gen Poor
Category Day          4            1            1
Max LVORI Early       6            7            9
Max LVORI Late        4            10           5
Precip Chance (%)     70           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.12         0.02         0.16
Precip Begin          12 PM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 79 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southwest winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 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.

$$

TNZ068-210745-
Loudon-
Including the cities of Lenoir City and Loudon
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      87-92 (-1)   62-67 (-1)   80-85
RH % (24h trend)      48-53 (+9)   95-100 (+15) 69-74
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     W  5         Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        NE  6        S  6
Mixing Hgt(ft-agl)    6820         440          3360
Vent Rate (mph-ft)    81840        2640         20160
Max Dispersion Early  62 Good      4 Very Poor  14 Gen Poor
Max Dispersion Late   67 Good      3 Very Poor  17 Gen Poor
Category Day          4            1            2
Max LVORI Early       5            7            9
Max LVORI Late        3            10           4
Precip Chance (%)     60           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.06         0.02         0.16
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           40

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 78 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southwest winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 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.

$$

TNZ071-210745-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-1)   64-69 (-2)   80-85
RH % (24h trend)      46-51 (+8)   95-100 (+23) 68-73
RH Recovery                        Excellent
AM 20FT Wnd (mph)     SW  5                     Lgt/Var
PM 20FT Wnd (mph)     SW  7        Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        NE  6        W  6
Mixing Hgt(ft-agl)    6520         420          2910
Vent Rate (mph-ft)    65200        2520         17460
Max Dispersion Early  60 Gen Good  4 Very Poor  12 Poor
Max Dispersion Late   62 Good      3 Very Poor  17 Gen Poor
Category Day          4            1            2
Max LVORI Early       4            6            8
Max LVORI Late        3            8            4
Precip Chance (%)     60           50           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.08         0.03         0.37
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the upper 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the mid
80s. Minimum RH 69 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
80s. Minimum RH 70 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 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.

$$

TNZ086-210745-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      87-92 (-1)   62-67 (-3)   81-86
RH % (24h trend)      46-51 (+9)   95-100 (+20) 67-72
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     SW  5        Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        E  5         SW  6
Mixing Hgt(ft-agl)    6680         410          3300
Vent Rate (mph-ft)    66800        2050         19800
Max Dispersion Early  57 Gen Good  4 Very Poor  12 Poor
Max Dispersion Late   61 Good      3 Very Poor  21 Fair
Category Day          4            1            2
Max LVORI Early       4            7            9
Max LVORI Late        3            10           4
Precip Chance (%)     60           40           90
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.09         0.01         0.31
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the mid
80s. Minimum RH 69 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
80s. Minimum RH 70 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 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.

$$

TNZ083-210745-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      84-89 (-1)   61-66 (-2)   78-83
RH % (24h trend)      56-61 (+10)  95-100 (+10) 72-77
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        NE  3        SE  5
Mixing Hgt(ft-agl)    5430         410          2630
Vent Rate (mph-ft)    54300        1230         13150
Max Dispersion Early  51 Gen Good  3 Very Poor  9 Poor
Max Dispersion Late   42 Gen Good  2 Very Poor  14 Gen Poor
Category Day          4            1            1
Max LVORI Early       6            8            10
Max LVORI Late        4            10           5
Precip Chance (%)     80           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       2            1            3
Precip Amount         0.25         0.02         0.18
Precip Begin          12 PM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. East winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 79 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 83 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 77 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 79 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. South 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.

$$

TNZ084-210745-
Meigs-
Including the city of Big Spring
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-1)   61-66 (-2)   81-86
RH % (24h trend)      50-55 (+10)  95-100 (+12) 67-72
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        NE  5        S  6
Mixing Hgt(ft-agl)    5900         400          3100
Vent Rate (mph-ft)    70800        2000         18600
Max Dispersion Early  56 Gen Good  2 Very Poor  13 Gen Poor
Max Dispersion Late   54 Gen Good  3 Very Poor  15 Gen Poor
Category Day          4            1            2
Max LVORI Early       5            8            9
Max LVORI Late        3            10           4
Precip Chance (%)     70           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.10         0.03         0.23
Precip Begin          1 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Light and variable wind.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 78 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Light and variable
wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Light and variable wind.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
South 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.

$$

TNZ085-210745-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      87-92 (-1)   61-66 (-2)   81-86
RH % (24h trend)      46-51 (+9)   95-100 (+14) 65-70
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     W  5         Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 12        NE  5        S  7
Mixing Hgt(ft-agl)    6720         370          3450
Vent Rate (mph-ft)    80640        1850         24150
Max Dispersion Early  56 Gen Good  4 Very Poor  13 Gen Poor
Max Dispersion Late   63 Good      3 Very Poor  25 Fair
Category Day          4            1            2
Max LVORI Early       5            8            9
Max LVORI Late        3            10           4
Precip Chance (%)     60           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.09         0.02         0.29
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 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.

$$

TNZ099-210745-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      85-90 (0)    63-68 (-2)   80-85
RH % (24h trend)      52-57 (+8)   95-100 (+15) 67-72
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        NE  5        S  6
Mixing Hgt(ft-agl)    5480         390          3250
Vent Rate (mph-ft)    54800        1950         19500
Max Dispersion Early  47 Gen Good  4 Very Poor  15 Gen Poor
Max Dispersion Late   43 Gen Good  2 Very Poor  18 Gen Poor
Category Day          4            1            2
Max LVORI Early       5            7            8
Max LVORI Late        4            8            5
Precip Chance (%)     70           50           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.15         0.05         0.17
Precip Begin          12 PM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. East winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 77 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. South 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.

$$

TNZ100-210745-
Bradley-
Including the cities of Cleveland and Tasso
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-1)   62-67 (-2)   81-86
RH % (24h trend)      47-52 (+9)   95-100 (+16) 65-70
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        NE  5        S  7
Mixing Hgt(ft-agl)    6700         380          3780
Vent Rate (mph-ft)    67000        1900         26460
Max Dispersion Early  53 Gen Good  3 Very Poor  15 Gen Poor
Max Dispersion Late   61 Good      2 Very Poor  23 Fair
Category Day          4            1            2
Max LVORI Early       5            9            10
Max LVORI Late        3            10           3
Precip Chance (%)     60           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.20         0.01         0.27
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. East winds less
than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. South 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.

$$

TNZ101-210745-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
240 AM EDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      86-91 (-1)   63-68 (-2)   81-86
RH % (24h trend)      44-49 (+9)   95-100 (+21) 62-67
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        E  5         SW  7
Mixing Hgt(ft-agl)    6710         370          3590
Vent Rate (mph-ft)    67100        1850         25130
Max Dispersion Early  55 Gen Good  5 Very Poor  18 Gen Poor
Max Dispersion Late   59 Gen Good  2 Very Poor  23 Fair
Category Day          4            1            2
Max LVORI Early       4            6            9
Max LVORI Late        3            9            3
Precip Chance (%)     60           40           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            3
Precip Amount         0.07         0.03         0.31
Precip Begin          2 PM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 40           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 63 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 63 percent. South 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.

$$

TNZ082-210745-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
140 AM CDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      81-86 (-2)   60-65 (-3)   76-81
RH % (24h trend)      61-66 (+11)  95-100 (+12) 75-80
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        E  5         S  6
Mixing Hgt(ft-agl)    4600         420          2610
Vent Rate (mph-ft)    46000        2100         15660
Max Dispersion Early  42 Gen Good  4 Very Poor  9 Poor
Max Dispersion Late   32 Fair      2 Very Poor  14 Gen Poor
Category Day          3            1            2
Max LVORI Early       6            8            10
Max LVORI Late        5            9            5
Precip Chance (%)     80           50           80
Precip Type           Tstms        Tstms        Tstms
Precip Duration       3            1            4
Precip Amount         0.28         0.02         0.26
Precip Begin          12 PM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 78 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 76 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 77 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 73 percent. South 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.

$$

TNZ081-210745-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
140 AM CDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      81-86 (0)    61-66 (-3)   76-81
RH % (24h trend)      61-66 (+8)   95-100 (+15) 77-82
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        W  6         S  6
Mixing Hgt(ft-agl)    4550         420          2760
Vent Rate (mph-ft)    45500        2520         16560
Max Dispersion Early  42 Gen Good  4 Very Poor  9 Poor
Max Dispersion Late   35 Fair      2 Very Poor  14 Gen Poor
Category Day          3            1            2
Max LVORI Early       5            8            9
Max LVORI Late        4            8            6
Precip Chance (%)     80           50           70
Precip Type           Tstms        Tstms        Tstms
Precip Duration       2            1            2
Precip Amount         0.23         0.03         0.21
Precip Begin          12 PM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 80 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 81 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 75 percent. South 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.

$$

TNZ098-210745-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
140 AM CDT Wed May 20 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Mcldy        Mcldy
Temp (24h trend)      81-86 (0)    62-67 (-3)   77-82
RH % (24h trend)      59-64 (+8)   95-100 (+14) 70-75
RH Recovery                        Excellent
AM 20FT Wnd (mph)     Lgt/Var                   Lgt/Var
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      Lgt/Var
Transport Wnd (mph)   SW 10        NE  3        SW  6
Mixing Hgt(ft-agl)    4490         390          2540
Vent Rate (mph-ft)    44900        1170         15240
Max Dispersion Early  41 Gen Good  3 Very Poor  11 Poor
Max Dispersion Late   37 Fair      2 Very Poor  12 Poor
Category Day          3            1            2
Max LVORI Early       5            7            8
Max LVORI Late        4            7            4
Precip Chance (%)     70           50           70
Precip Type           Tstms        Tstms        Tstms
Precip Duration       1            1            2
Precip Amount         0.20         0.05         0.14
Precip Begin          11 AM        Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Chance of Thunder (%) 50           30           50

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. East winds less than 10 mph.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 73 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 73 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. South 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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