Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >
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646
FNUS54 KMRX 190650
FWFMRX
Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
250 AM EDT Wed Aug 19 2026
.DISCUSSION...
Dry weather and near normal temperatures will continue today. Rain
chances return tomorrow, with showers and thunderstorms expected.
VAZ001-200800-
Lee-
Including the city of Rose Hill
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mcldy
Temp (24h trend) 84-89 (+3) 64-69 (+4) 80-85
RH % (24h trend) 45-50 (-15) 95-100 (+2) 64-69
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 7 W 5 SW 10
Mixing Hgt(ft-agl) 4780 380 4450
Vent Rate (mph-ft) 33460 1900 44500
Max Dispersion Early 15 Gen Poor 2 Very Poor 24 Fair
Max Dispersion Late 28 Fair 2 Very Poor 41 Gen Good
Category Day 3 1 3
Max LVORI Early 9 5 8
Max LVORI Late 3 7 4
Precip Chance (%) 0 0 70
Precip Type None None Tstms
Precip Duration 2
Precip Amount 0.00 0.00 0.12
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 60s. North winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
56 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
52 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ002-200800-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mcldy
Temp (24h trend) 81-86 (+3) 63-68 (+4) 77-82
RH % (24h trend) 48-53 (-15) 95-100 (+1) 69-74
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var SW 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var W 6
Transport Wnd (mph) W 8 S 5 W 12
Mixing Hgt(ft-agl) 4930 400 4590
Vent Rate (mph-ft) 39440 2000 55080
Max Dispersion Early 18 Gen Poor 3 Very Poor 33 Fair
Max Dispersion Late 32 Fair 3 Very Poor 45 Gen Good
Category Day 3 1 3
Max LVORI Early 9 5 8
Max LVORI Late 3 7 4
Precip Chance (%) 0 20 60
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.01 0.11
Precip Begin 5 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 73 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 60s. West winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 59 percent. West winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. West winds less than
10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
56 percent. Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
54 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ005-200800-
Scott VA-
Including the city of Hiltons
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 83-88 (+1) 65-70 (+4) 80-85
RH % (24h trend) 51-56 (-10) 94-99 (-1) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SW 5
Transport Wnd (mph) W 6 W 5 W 10
Mixing Hgt(ft-agl) 4830 370 3780
Vent Rate (mph-ft) 28980 1850 37800
Max Dispersion Early 16 Gen Poor 2 Very Poor 25 Fair
Max Dispersion Late 25 Fair 2 Very Poor 34 Fair
Category Day 3 1 3
Max LVORI Early 9 6 7
Max LVORI Late 3 7 4
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 2
Precip Amount 0.00 0.00 0.08
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 72 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. North winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. West winds less than
10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
55 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
53 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent.
Northwest 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.
$$
VAZ006-200800-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 81-86 (+2) 63-68 (+3) 78-83
RH % (24h trend) 49-54 (-15) 94-99 (-2) 69-74
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var SW 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var W 6
Transport Wnd (mph) W 7 SW 3 W 10
Mixing Hgt(ft-agl) 4860 400 4000
Vent Rate (mph-ft) 34020 1200 40000
Max Dispersion Early 19 Gen Poor 2 Very Poor 30 Fair
Max Dispersion Late 29 Fair 2 Very Poor 38 Fair
Category Day 3 1 3
Max LVORI Early 10 5 6
Max LVORI Late 3 7 5
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.09
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 75 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. West winds less than
10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 57 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
54 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
Northwest 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.
$$
VAZ008-200800-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Mclear Pcldy
Temp (24h trend) 82-87 (+2) 64-69 (+4) 80-85
RH % (24h trend) 48-53 (-14) 88-93 (-8) 63-68
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var SW 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var W 6
Transport Wnd (mph) W 7 SW 5 W 12
Mixing Hgt(ft-agl) 4440 330 3610
Vent Rate (mph-ft) 31080 1650 43320
Max Dispersion Early 19 Gen Poor 2 Very Poor 30 Fair
Max Dispersion Late 27 Fair 2 Very Poor 41 Gen Good
Category Day 3 1 3
Max LVORI Early 9 5 6
Max LVORI Late 3 6 4
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.05
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 72 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 55 percent. West winds
less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 52 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ018-200800-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Mclear Pcldy
Temp (24h trend) 79-84 (+1) 63-68 (+4) 79-84
RH % (24h trend) 44-49 (-15) 81-86 (-15) 53-58
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var W 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var W 6
Transport Wnd (mph) W 6 SW 3 W 13
Mixing Hgt(ft-agl) 3700 330 3690
Vent Rate (mph-ft) 22200 990 47970
Max Dispersion Early 19 Gen Poor 2 Very Poor 36 Fair
Max Dispersion Late 22 Fair 3 Very Poor 46 Gen Good
Category Day 2 1 3
Max LVORI Early 8 5 4
Max LVORI Late 3 5 4
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.03
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 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. Light winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 60 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows around 60. West winds less than 10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 54 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
49 percent. West winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 80. Minimum RH 50 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ047-200800-
Southeast Carter-
Including the city of Hampton
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Mclear Pcldy
Temp (24h trend) 79-84 (+2) 63-68 (+4) 79-84
RH % (24h trend) 46-51 (-16) 78-83 (-16) 55-60
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var W 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var W 5
Transport Wnd (mph) NW 6 W 3 W 12
Mixing Hgt(ft-agl) 3470 330 3800
Vent Rate (mph-ft) 20820 990 45600
Max Dispersion Early 18 Gen Poor 3 Very Poor 33 Fair
Max Dispersion Late 20 Gen Poor 3 Very Poor 41 Gen Good
Category Day 2 1 3
Max LVORI Early 7 4 4
Max LVORI Late 3 4 4
Precip Chance (%) 0 0 40
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.03
Precip Begin 10 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light
winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 63 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. West winds less
than 10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 55 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
51 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Southeast winds
less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 80. Minimum RH 52 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ045-200800-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Mclear Pcldy
Temp (24h trend) 80-85 (+2) 64-69 (+3) 80-85
RH % (24h trend) 48-53 (-16) 80-85 (-14) 57-62
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var W 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 6 W 3 W 10
Mixing Hgt(ft-agl) 3360 330 3780
Vent Rate (mph-ft) 20160 990 37800
Max Dispersion Early 16 Gen Poor 3 Very Poor 29 Fair
Max Dispersion Late 17 Gen Poor 3 Very Poor 35 Fair
Category Day 2 1 3
Max LVORI Early 8 4 4
Max LVORI Late 3 4 4
Precip Chance (%) 0 0 40
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.02
Precip Begin 9 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 72 percent. Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 63 percent. West winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.SUNDAY...Sunny. Highs in the upper 70s. Minimum RH 56 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. Southwest winds
less than 10 mph.
.MONDAY...Sunny. Highs in the upper 70s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
53 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.
$$
TNZ043-200800-
Southeast Greene-
Including the city of Cedar Creek
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 80-85 (+2) 64-69 (+3) 80-85
RH % (24h trend) 44-49 (-18) 81-86 (-11) 53-58
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var W 6
PM 20FT Wnd (mph) Lgt/Var SE 6 Lgt/Var
Transport Wnd (mph) NW 5 S 3 W 9
Mixing Hgt(ft-agl) 3220 300 3470
Vent Rate (mph-ft) 16100 900 31230
Max Dispersion Early 16 Gen Poor 3 Very Poor 23 Fair
Max Dispersion Late 17 Gen Poor 3 Very Poor 28 Fair
Category Day 1 1 3
Max LVORI Early 7 4 5
Max LVORI Late 3 5 3
Precip Chance (%) 0 0 40
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.04
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 58 percent. West winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.SUNDAY...Sunny. Highs around 80. Minimum RH 53 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. South winds less
than 10 mph.
.MONDAY...Sunny. Highs around 80. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
Northwest 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.
$$
TNZ041-200800-
Cocke Smoky Mountains-
Including the city of Hartford
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 81-86 (+2) 66-71 (+3) 81-86
RH % (24h trend) 44-49 (-18) 81-86 (-8) 54-59
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var W 6
PM 20FT Wnd (mph) Lgt/Var S 6 Lgt/Var
Transport Wnd (mph) NW 6 S 3 W 10
Mixing Hgt(ft-agl) 3400 280 3760
Vent Rate (mph-ft) 20400 840 37600
Max Dispersion Early 16 Gen Poor 3 Very Poor 26 Fair
Max Dispersion Late 17 Gen Poor 2 Very Poor 34 Fair
Category Day 2 1 3
Max LVORI Early 6 4 4
Max LVORI Late 3 4 3
Precip Chance (%) 0 0 40
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.04
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs around 80. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
52 percent. Northwest 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.
$$
TNZ074-200800-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 78-83 (+2) 65-70 (+5) 78-83
RH % (24h trend) 45-50 (-18) 79-84 (-9) 55-60
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var W 6
PM 20FT Wnd (mph) Lgt/Var SE 5 Lgt/Var
Transport Wnd (mph) NW 6 S 5 W 12
Mixing Hgt(ft-agl) 3030 300 3440
Vent Rate (mph-ft) 18180 1500 41280
Max Dispersion Early 13 Gen Poor 3 Very Poor 21 Fair
Max Dispersion Late 16 Gen Poor 3 Very Poor 36 Fair
Category Day 2 1 3
Max LVORI Early 6 4 4
Max LVORI Late 3 3 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.07
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 72 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 61 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 70s. Minimum RH 57 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
56 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 58 percent.
Northwest 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.
$$
TNZ072-200800-
Blount Smoky Mountains-
Including the city of Cades Cove
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 83-88 (+2) 68-73 (+5) 83-88
RH % (24h trend) 46-51 (-14) 82-87 (-8) 56-61
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var SW 6
PM 20FT Wnd (mph) Lgt/Var SE 5 Lgt/Var
Transport Wnd (mph) NW 5 S 3 W 12
Mixing Hgt(ft-agl) 3570 340 3340
Vent Rate (mph-ft) 17850 1020 40080
Max Dispersion Early 15 Gen Poor 3 Very Poor 21 Fair
Max Dispersion Late 18 Gen Poor 3 Very Poor 33 Fair
Category Day 2 1 3
Max LVORI Early 6 4 5
Max LVORI Late 3 4 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.06
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
58 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 54 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
53 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Southeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ087-200800-
Southeast Monroe-
Including the cities of Citico and Coker Creek
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 84-89 (+2) 67-72 (+6) 84-89
RH % (24h trend) 42-47 (-15) 83-88 (-10) 54-59
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 6 SE 2 W 10
Mixing Hgt(ft-agl) 3400 350 3530
Vent Rate (mph-ft) 20400 700 35300
Max Dispersion Early 16 Gen Poor 3 Very Poor 23 Fair
Max Dispersion Late 18 Gen Poor 3 Very Poor 30 Fair
Category Day 2 1 3
Max LVORI Early 7 4 5
Max LVORI Late 3 4 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.03
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. East winds less than 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 55 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 52 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
51 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. East winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ102-200800-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mclear
Temp (24h trend) 87-92 (+3) 66-71 (+4) 87-92
RH % (24h trend) 40-45 (-11) 87-92 (-9) 50-55
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var NW 5
PM 20FT Wnd (mph) Lgt/Var SE 5 Lgt/Var
Transport Wnd (mph) N 7 S 6 W 10
Mixing Hgt(ft-agl) 3610 340 4170
Vent Rate (mph-ft) 25270 2040 41700
Max Dispersion Early 19 Gen Poor 2 Very Poor 25 Fair
Max Dispersion Late 22 Fair 2 Very Poor 37 Fair
Category Day 2 1 3
Max LVORI Early 9 4 6
Max LVORI Late 2 5 3
Precip Chance (%) 0 0 30
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.01
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 61 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SATURDAY...Sunny. Highs in the upper 80s. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 48 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the mid 80s. Minimum RH 47 percent. Northwest winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. East winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ060-200800-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 86-91 (+3) 65-70 (+4) 85-90
RH % (24h trend) 41-46 (-14) 87-92 (-8) 51-56
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 6 SE 5 W 9
Mixing Hgt(ft-agl) 3720 310 4480
Vent Rate (mph-ft) 22320 1550 40320
Max Dispersion Early 17 Gen Poor 2 Very Poor 27 Fair
Max Dispersion Late 20 Gen Poor 2 Very Poor 36 Fair
Category Day 2 1 3
Max LVORI Early 8 4 6
Max LVORI Late 3 5 3
Precip Chance (%) 0 0 30
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.02
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. North winds less than 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
49 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Northeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 51 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ061-200800-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mclear
Temp (24h trend) 83-88 (+2) 65-70 (+5) 83-88
RH % (24h trend) 47-52 (-12) 86-91 (-8) 56-61
RH Recovery Excellent
AM 20FT Wnd (mph) NW 6 Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 6 NW 3 W 9
Mixing Hgt(ft-agl) 4300 340 4760
Vent Rate (mph-ft) 25800 1020 42840
Max Dispersion Early 16 Gen Poor 2 Very Poor 32 Fair
Max Dispersion Late 22 Fair 2 Very Poor 37 Fair
Category Day 2 1 3
Max LVORI Early 8 4 5
Max LVORI Late 3 4 3
Precip Chance (%) 0 0 30
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.01
Precip Begin 9 AM
Precip End 8 PM
Chance of Thunder (%) 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. North
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Minimum RH 58 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
54 percent. West winds less than 10 mph.
.MONDAY NIGHT...Mostly clear with a slight chance of showers.
Lows in the lower 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 57 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ015-200800-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mcldy
Temp (24h trend) 86-91 (+3) 65-70 (+4) 83-88
RH % (24h trend) 44-49 (-14) 95-100 (-1) 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) W 6 W 5 SW 12
Mixing Hgt(ft-agl) 4860 350 4810
Vent Rate (mph-ft) 29160 1750 57720
Max Dispersion Early 15 Gen Poor 2 Very Poor 24 Fair
Max Dispersion Late 25 Fair 2 Very Poor 50 Gen Good
Category Day 3 1 3
Max LVORI Early 9 6 8
Max LVORI Late 3 7 3
Precip Chance (%) 0 0 70
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.11
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
53 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
48 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 48 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ016-200800-
Hawkins-
Including the city of Mooresburg
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 85-90 (+2) 65-70 (+3) 83-88
RH % (24h trend) 49-54 (-11) 95-100 (-2) 64-69
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 3 SW 10
Mixing Hgt(ft-agl) 4610 290 4240
Vent Rate (mph-ft) 27660 870 42400
Max Dispersion Early 15 Gen Poor 2 Very Poor 20 Gen Poor
Max Dispersion Late 23 Fair 1 Very Poor 38 Fair
Category Day 3 1 3
Max LVORI Early 10 6 8
Max LVORI Late 3 7 4
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.16
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 69 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 58 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds less than 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
53 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
52 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent.
Northwest 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.
$$
TNZ017-200800-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Mclear Pcldy
Temp (24h trend) 84-89 (+1) 65-70 (+3) 82-87
RH % (24h trend) 47-52 (-12) 90-95 (-7) 61-66
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var SW 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var W 6
Transport Wnd (mph) W 6 SW 3 W 10
Mixing Hgt(ft-agl) 4100 310 3540
Vent Rate (mph-ft) 24600 930 35400
Max Dispersion Early 14 Gen Poor 2 Very Poor 25 Fair
Max Dispersion Late 21 Fair 1 Very Poor 33 Fair
Category Day 2 1 3
Max LVORI Early 10 5 6
Max LVORI Late 3 7 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.10
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
52 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
49 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 49 percent.
Northwest 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.
$$
TNZ046-200800-
Northwest Carter-
Including the city of Elizabethton
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Mclear Pcldy
Temp (24h trend) 83-88 (+2) 65-70 (+3) 82-87
RH % (24h trend) 43-48 (-16) 81-86 (-12) 54-59
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var SW 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var W 6
Transport Wnd (mph) W 6 S 5 W 10
Mixing Hgt(ft-agl) 3630 330 3680
Vent Rate (mph-ft) 21780 1650 36800
Max Dispersion Early 16 Gen Poor 2 Very Poor 28 Fair
Max Dispersion Late 18 Gen Poor 2 Very Poor 38 Fair
Category Day 2 1 3
Max LVORI Early 7 4 5
Max LVORI Late 3 5 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.05
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 58 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
52 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
48 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 48 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ044-200800-
Washington TN-
Including the city of Johnson City
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 85-90 (+2) 65-70 (+3) 84-89
RH % (24h trend) 46-51 (-13) 86-91 (-10) 56-61
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 5 S 5 W 10
Mixing Hgt(ft-agl) 3850 310 3610
Vent Rate (mph-ft) 19250 1550 36100
Max Dispersion Early 14 Gen Poor 2 Very Poor 23 Fair
Max Dispersion Late 18 Gen Poor 2 Very Poor 34 Fair
Category Day 2 1 3
Max LVORI Early 9 5 6
Max LVORI Late 3 6 3
Precip Chance (%) 0 0 40
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.05
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 58 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 52 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
49 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 48 percent.
Northwest 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.
$$
TNZ042-200800-
Northwest Greene-
Including the city of Greeneville
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 85-90 (+1) 66-71 (+3) 84-89
RH % (24h trend) 46-51 (-12) 90-95 (-7) 57-62
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 5 SW 3 SW 9
Mixing Hgt(ft-agl) 3870 260 3410
Vent Rate (mph-ft) 19350 780 30690
Max Dispersion Early 14 Gen Poor 2 Very Poor 19 Gen Poor
Max Dispersion Late 16 Gen Poor 2 Very Poor 28 Fair
Category Day 2 1 3
Max LVORI Early 10 5 6
Max LVORI Late 3 6 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.06
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 56 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 51 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.MONDAY...Sunny. Highs in the mid 80s. Minimum RH 49 percent.
Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 48 percent.
Northwest 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.
$$
TNZ038-200800-
Grainger-
Including the city of Bean Station
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 87-92 (+2) 67-72 (+4) 85-90
RH % (24h trend) 44-49 (-12) 92-97 (-2) 61-66
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 6 W 3 SW 12
Mixing Hgt(ft-agl) 4680 330 4210
Vent Rate (mph-ft) 28080 990 50520
Max Dispersion Early 15 Gen Poor 2 Very Poor 20 Gen Poor
Max Dispersion Late 23 Fair 2 Very Poor 41 Gen Good
Category Day 3 1 3
Max LVORI Early 9 6 7
Max LVORI Late 2 7 3
Precip Chance (%) 0 0 70
Precip Type None None Tstms
Precip Duration 2
Precip Amount 0.00 0.00 0.19
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
53 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
48 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
Northwest 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.
$$
TNZ039-200800-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 86-91 (+2) 67-72 (+3) 85-90
RH % (24h trend) 46-51 (-12) 93-98 (-4) 61-66
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 5 SW 2 SW 10
Mixing Hgt(ft-agl) 4290 300 4030
Vent Rate (mph-ft) 21450 600 40300
Max Dispersion Early 14 Gen Poor 2 Very Poor 19 Gen Poor
Max Dispersion Late 17 Gen Poor 2 Very Poor 37 Fair
Category Day 2 1 3
Max LVORI Early 10 6 8
Max LVORI Late 3 7 3
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.09
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 56 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light and
variable wind.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
50 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 50 percent.
Northwest 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.
$$
TNZ040-200800-
Northwest Cocke-
Including the cities of Bybee and Newport
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 86-91 (+3) 67-72 (+3) 85-90
RH % (24h trend) 44-49 (-15) 90-95 (-5) 54-59
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 5 SW 3 W 9
Mixing Hgt(ft-agl) 3950 280 3760
Vent Rate (mph-ft) 19750 840 33840
Max Dispersion Early 14 Gen Poor 2 Very Poor 22 Fair
Max Dispersion Late 17 Gen Poor 2 Very Poor 30 Fair
Category Day 2 1 3
Max LVORI Early 9 5 6
Max LVORI Late 2 6 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.09
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 51 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
49 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
Northwest 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.
$$
TNZ070-200800-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 87-92 (+2) 68-73 (+3) 86-91
RH % (24h trend) 44-49 (-13) 91-96 (-5) 57-62
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 5 W 3 SW 10
Mixing Hgt(ft-agl) 4180 310 3770
Vent Rate (mph-ft) 20900 930 37700
Max Dispersion Early 14 Gen Poor 2 Very Poor 21 Fair
Max Dispersion Late 17 Gen Poor 2 Very Poor 32 Fair
Category Day 2 1 3
Max LVORI Early 9 6 7
Max LVORI Late 2 7 3
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.15
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Northwest winds less than
10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 54 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. West
winds less than 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
50 percent. Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
48 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 48 percent.
Northwest 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.
$$
TNZ035-200800-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 87-92 (+5) 67-72 (+6) 83-88
RH % (24h trend) 41-46 (-14) 95-100 (+1) 63-68
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 6 SW 7 W 10
Mixing Hgt(ft-agl) 4760 380 3380
Vent Rate (mph-ft) 28560 2660 33800
Max Dispersion Early 16 Gen Poor 3 Very Poor 21 Fair
Max Dispersion Late 25 Fair 4 Very Poor 29 Fair
Category Day 3 1 3
Max LVORI Early 9 5 7
Max LVORI Late 3 6 4
Precip Chance (%) 0 30 80
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.04 0.25
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
51 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Northeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 51 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ012-200800-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 86-91 (+4) 67-72 (+6) 82-87
RH % (24h trend) 41-46 (-15) 95-100 (+4) 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) NW 7 S 6 SW 12
Mixing Hgt(ft-agl) 4630 370 3450
Vent Rate (mph-ft) 32410 2220 41400
Max Dispersion Early 19 Gen Poor 3 Very Poor 25 Fair
Max Dispersion Late 28 Fair 3 Very Poor 35 Fair
Category Day 3 1 3
Max LVORI Early 7 4 7
Max LVORI Late 3 6 4
Precip Chance (%) 0 50 80
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.10 0.31
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 54 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
50 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 50 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ013-200800-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 84-89 (+4) 67-72 (+5) 80-85
RH % (24h trend) 49-54 (-13) 95-100 (+5) 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) NW 6 W 6 W 12
Mixing Hgt(ft-agl) 4650 380 4210
Vent Rate (mph-ft) 27900 2280 50520
Max Dispersion Early 15 Gen Poor 2 Very Poor 20 Gen Poor
Max Dispersion Late 24 Fair 3 Very Poor 44 Gen Good
Category Day 3 1 3
Max LVORI Early 8 5 7
Max LVORI Late 3 6 4
Precip Chance (%) 0 30 70
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.03 0.24
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 73 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Minimum RH 58 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Minimum RH 55 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
55 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 56 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.
$$
TNZ014-200800-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 86-91 (+3) 66-71 (+4) 83-88
RH % (24h trend) 44-49 (-13) 95-100 (+1) 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) NW 6 W 5 SW 12
Mixing Hgt(ft-agl) 4620 370 4290
Vent Rate (mph-ft) 27720 1850 51480
Max Dispersion Early 15 Gen Poor 2 Very Poor 20 Gen Poor
Max Dispersion Late 24 Fair 2 Very Poor 43 Gen Good
Category Day 3 1 3
Max LVORI Early 9 5 7
Max LVORI Late 3 7 3
Precip Chance (%) 0 20 70
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.02 0.22
Precip Begin 5 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
53 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
50 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 50 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ037-200800-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 87-92 (+3) 68-73 (+5) 84-89
RH % (24h trend) 46-51 (-11) 94-99 (-1) 63-68
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 6 SW 5 SW 10
Mixing Hgt(ft-agl) 4610 350 4030
Vent Rate (mph-ft) 27660 1750 40300
Max Dispersion Early 14 Gen Poor 2 Very Poor 19 Gen Poor
Max Dispersion Late 23 Fair 2 Very Poor 37 Fair
Category Day 3 1 3
Max LVORI Early 9 5 7
Max LVORI Late 3 7 3
Precip Chance (%) 0 20 70
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.02 0.19
Precip Begin 5 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 68 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
54 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
51 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 51 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ036-200800-
Anderson-
Including the cities of Oak Ridge and Clinton
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 86-91 (+2) 68-73 (+4) 84-89
RH % (24h trend) 46-51 (-10) 91-96 (+1) 61-66
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 6 W 6 W 9
Mixing Hgt(ft-agl) 4860 370 3050
Vent Rate (mph-ft) 29160 2220 27450
Max Dispersion Early 15 Gen Poor 2 Very Poor 19 Gen Poor
Max Dispersion Late 23 Fair 3 Very Poor 26 Fair
Category Day 3 1 2
Max LVORI Early 7 4 6
Max LVORI Late 3 6 3
Precip Chance (%) 0 30 70
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.02 0.17
Precip Begin 5 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. North winds
less than 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 54 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
52 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ069-200800-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 88-93 (+2) 69-74 (+4) 86-91
RH % (24h trend) 44-49 (-11) 89-94 (-4) 57-62
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 5 SW 5 W 10
Mixing Hgt(ft-agl) 4680 340 2960
Vent Rate (mph-ft) 23400 1700 29600
Max Dispersion Early 15 Gen Poor 2 Very Poor 21 Fair
Max Dispersion Late 19 Gen Poor 2 Very Poor 28 Fair
Category Day 2 1 3
Max LVORI Early 9 4 6
Max LVORI Late 2 6 3
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.09
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
53 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. Northwest
winds less than 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
49 percent. Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
47 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 48 percent.
Northwest 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.
$$
TNZ073-200800-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 87-92 (+2) 68-73 (+3) 86-91
RH % (24h trend) 44-49 (-13) 88-93 (-7) 54-59
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 3 SW 5 W 10
Mixing Hgt(ft-agl) 3810 320 3620
Vent Rate (mph-ft) 11430 1600 36200
Max Dispersion Early 13 Gen Poor 2 Very Poor 22 Fair
Max Dispersion Late 13 Gen Poor 2 Very Poor 34 Fair
Category Day 2 1 3
Max LVORI Early 9 5 6
Max LVORI Late 3 6 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.12
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 54 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
50 percent. Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
49 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
Northwest 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.
$$
TNZ067-200800-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 89-94 (+3) 68-73 (+5) 87-92
RH % (24h trend) 45-50 (-9) 94-99 (-3) 61-66
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 5 SW 5 W 8
Mixing Hgt(ft-agl) 4830 320 3190
Vent Rate (mph-ft) 24150 1600 25520
Max Dispersion Early 15 Gen Poor 2 Very Poor 15 Gen Poor
Max Dispersion Late 20 Gen Poor 2 Very Poor 23 Fair
Category Day 2 1 2
Max LVORI Early 9 5 7
Max LVORI Late 3 7 3
Precip Chance (%) 0 20 70
Precip Type None Tstms Tstms
Precip Duration 1 1
Precip Amount 0.00 0.02 0.07
Precip Begin 5 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 30
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 upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 67 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Sunny. Highs in the upper 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
50 percent. Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 80s. Minimum RH 51 percent. North winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.TUESDAY...Mostly sunny with a chance of thunderstorms and a
slight chance of showers. Highs in the upper 80s. Minimum RH
51 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ068-200800-
Loudon-
Including the cities of Lenoir City and Loudon
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 89-94 (+3) 69-74 (+5) 87-92
RH % (24h trend) 44-49 (-11) 90-95 (-7) 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) NW 5 SW 6 SW 9
Mixing Hgt(ft-agl) 4540 310 3050
Vent Rate (mph-ft) 22700 1860 27450
Max Dispersion Early 15 Gen Poor 2 Very Poor 15 Gen Poor
Max Dispersion Late 18 Gen Poor 3 Very Poor 25 Fair
Category Day 2 1 2
Max LVORI Early 10 5 6
Max LVORI Late 2 7 3
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.04
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 65 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.SATURDAY...Sunny. Highs in the upper 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Northwest
winds less than 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
49 percent. North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
49 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Northeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 49 percent. Northwest
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.
$$
TNZ071-200800-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 88-93 (+3) 69-74 (+4) 87-92
RH % (24h trend) 44-49 (-12) 86-91 (-8) 57-62
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var W 5
Transport Wnd (mph) NW 5 SE 3 W 10
Mixing Hgt(ft-agl) 4280 340 3180
Vent Rate (mph-ft) 21400 1020 31800
Max Dispersion Early 15 Gen Poor 2 Very Poor 20 Gen Poor
Max Dispersion Late 18 Gen Poor 2 Very Poor 29 Fair
Category Day 2 1 3
Max LVORI Early 8 4 6
Max LVORI Late 2 5 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.05
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 65 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. East winds less than
10 mph.
.SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
54 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 50 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
49 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. East winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
Northwest 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.
$$
TNZ086-200800-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 89-94 (+2) 69-74 (+5) 88-93
RH % (24h trend) 41-46 (-12) 88-93 (-9) 55-60
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 5 S 7 W 8
Mixing Hgt(ft-agl) 4280 340 3200
Vent Rate (mph-ft) 21400 2380 25600
Max Dispersion Early 17 Gen Poor 2 Very Poor 20 Gen Poor
Max Dispersion Late 19 Gen Poor 3 Very Poor 24 Fair
Category Day 2 1 2
Max LVORI Early 10 4 6
Max LVORI Late 2 6 3
Precip Chance (%) 0 0 50
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.05
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.SATURDAY...Sunny. Highs in the upper 80s. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Light and
variable wind.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 48 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
48 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Northeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 48 percent. Northwest
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.
$$
TNZ083-200800-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 89-94 (+4) 69-74 (+6) 87-92
RH % (24h trend) 44-49 (-12) 92-97 (-3) 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) NW 5 SW 6 W 9
Mixing Hgt(ft-agl) 4630 320 3190
Vent Rate (mph-ft) 23150 1920 28710
Max Dispersion Early 18 Gen Poor 2 Very Poor 20 Gen Poor
Max Dispersion Late 22 Fair 4 Very Poor 25 Fair
Category Day 2 1 2
Max LVORI Early 9 5 6
Max LVORI Late 3 7 3
Precip Chance (%) 0 30 60
Precip Type None Tstms Tstms
Precip Duration 1 1
Precip Amount 0.00 0.02 0.06
Precip Begin 4 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 68 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Sunny. Highs in the upper 80s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 80s. Minimum RH 52 percent. Northeast winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
52 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ084-200800-
Meigs-
Including the city of Big Spring
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 91-96 (+4) 69-74 (+5) 88-93
RH % (24h trend) 41-46 (-11) 92-97 (-6) 57-62
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 5 SW 5 W 8
Mixing Hgt(ft-agl) 4710 300 3320
Vent Rate (mph-ft) 23550 1500 26560
Max Dispersion Early 16 Gen Poor 2 Very Poor 18 Gen Poor
Max Dispersion Late 20 Gen Poor 3 Very Poor 24 Fair
Category Day 2 1 3
Max LVORI Early 10 6 6
Max LVORI Late 2 7 3
Precip Chance (%) 0 20 60
Precip Type None Tstms Tstms
Precip Duration 1 1
Precip Amount 0.00 0.03 0.03
Precip Begin 6 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Sunny. Highs around 90. Minimum RH 51 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Light and
variable wind.
.SUNDAY...Sunny. Highs around 90. Minimum RH 48 percent. North
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 80s. Minimum RH 48 percent. Northeast winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. Light and variable wind.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
49 percent. Northwest 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.
$$
TNZ085-200800-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 90-95 (+3) 68-73 (+4) 89-94
RH % (24h trend) 39-44 (-11) 89-94 (-9) 54-59
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 5 S 6 W 7
Mixing Hgt(ft-agl) 4570 300 3320
Vent Rate (mph-ft) 22850 1800 23240
Max Dispersion Early 18 Gen Poor 2 Very Poor 17 Gen Poor
Max Dispersion Late 20 Gen Poor 3 Very Poor 25 Fair
Category Day 2 1 2
Max LVORI Early 10 5 7
Max LVORI Late 2 7 3
Precip Chance (%) 0 0 60
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.05
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 62 percent.
Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.SATURDAY...Sunny. Highs around 90. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Light and
variable wind.
.SUNDAY...Sunny. Highs around 90. Minimum RH 46 percent. North
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 80s. Minimum RH 45 percent. North winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 45 percent.
Northwest 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.
$$
TNZ099-200800-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mclear
Temp (24h trend) 91-96 (+3) 70-75 (+5) 90-95
RH % (24h trend) 37-42 (-12) 87-92 (-5) 51-56
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 6 SW 5 W 7
Mixing Hgt(ft-agl) 4960 330 4110
Vent Rate (mph-ft) 29760 1650 28770
Max Dispersion Early 18 Gen Poor 2 Very Poor 22 Fair
Max Dispersion Late 24 Fair 4 Very Poor 29 Fair
Category Day 3 1 2
Max LVORI Early 8 4 6
Max LVORI Late 2 6 3
Precip Chance (%) 0 0 40
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.04
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. Minimum RH 61 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Lows around 70. Northwest winds
less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 90s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 46 percent. North
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 80s. Minimum RH 46 percent. North winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
46 percent. Northwest 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.
$$
TNZ100-200800-
Bradley-
Including the cities of Cleveland and Tasso
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mclear
Temp (24h trend) 91-96 (+3) 69-74 (+4) 90-95
RH % (24h trend) 37-42 (-10) 88-93 (-9) 50-55
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 5 S 5 SW 6
Mixing Hgt(ft-agl) 4510 300 3950
Vent Rate (mph-ft) 22550 1500 23700
Max Dispersion Early 20 Gen Poor 2 Very Poor 17 Gen Poor
Max Dispersion Late 22 Fair 5 Very Poor 27 Fair
Category Day 2 1 2
Max LVORI Early 10 4 6
Max LVORI Late 2 6 3
Precip Chance (%) 0 0 40
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.04
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs around 90. Minimum RH 58 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Sunny. Highs in the lower 90s. Minimum RH 46 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. North
winds less than 10 mph.
.SUNDAY...Sunny. Highs around 90. Minimum RH 44 percent. North
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs
around 90. Minimum RH 44 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 43 percent.
Northwest 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.
$$
TNZ101-200800-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
250 AM EDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 90-95 (+3) 68-73 (+5) 90-95
RH % (24h trend) 37-42 (-11) 87-92 (-9) 49-54
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 6 S 6 W 6
Mixing Hgt(ft-agl) 3940 360 3980
Vent Rate (mph-ft) 23640 2160 23880
Max Dispersion Early 19 Gen Poor 2 Very Poor 21 Fair
Max Dispersion Late 20 Gen Poor 2 Very Poor 31 Fair
Category Day 2 1 2
Max LVORI Early 9 4 6
Max LVORI Late 2 5 3
Precip Chance (%) 0 0 30
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.03
Precip Begin 8 AM
Precip End Continuing
Chance of Thunder (%) 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs around 90. Minimum RH 58 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.SATURDAY...Sunny. Highs around 90. Minimum RH 46 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. North
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 44 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 80s. Minimum RH 43 percent. North winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 44 percent. Northwest
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.
$$
TNZ082-200800-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
150 AM CDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Temp (24h trend) 88-93 (+6) 68-73 (+7) 85-90
RH % (24h trend) 42-47 (-15) 91-96 (-5) 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) NW 6 S 7 W 10
Mixing Hgt(ft-agl) 4400 330 3420
Vent Rate (mph-ft) 26400 2310 34200
Max Dispersion Early 17 Gen Poor 2 Very Poor 23 Fair
Max Dispersion Late 22 Fair 5 Very Poor 31 Fair
Category Day 3 1 3
Max LVORI Early 9 4 6
Max LVORI Late 3 6 3
Precip Chance (%) 0 40 50
Precip Type None Tstms Tstms
Precip Duration 1 1
Precip Amount 0.00 0.03 0.14
Precip Begin 4 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 30
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 upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 68 percent. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 55 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the mid 80s. Minimum RH 52 percent. Northwest winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
52 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ081-200800-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
150 AM CDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mclear
Temp (24h trend) 88-93 (+5) 68-73 (+6) 86-91
RH % (24h trend) 40-45 (-13) 89-94 (-5) 58-63
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 6 S 7 W 9
Mixing Hgt(ft-agl) 4840 350 4080
Vent Rate (mph-ft) 29040 2450 36720
Max Dispersion Early 19 Gen Poor 2 Very Poor 26 Fair
Max Dispersion Late 25 Fair 5 Very Poor 33 Fair
Category Day 3 1 3
Max LVORI Early 8 4 5
Max LVORI Late 2 5 3
Precip Chance (%) 0 30 50
Precip Type None Tstms Tstms
Precip Duration 1 1
Precip Amount 0.00 0.11 0.12
Precip Begin 4 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. Light
winds.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Sunny. Highs in the mid 80s. Minimum RH 52 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the mid 80s. Minimum RH 51 percent. Northwest winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
51 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ098-200800-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
150 AM CDT Wed Aug 19 2026
Today Tonight Thu
Cloud Cover Mclear Pcldy Mclear
Temp (24h trend) 89-94 (+5) 69-74 (+6) 87-92
RH % (24h trend) 38-43 (-9) 87-92 (-3) 54-59
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 6 SW 6 W 8
Mixing Hgt(ft-agl) 4790 330 4240
Vent Rate (mph-ft) 28740 1980 33920
Max Dispersion Early 19 Gen Poor 2 Very Poor 22 Fair
Max Dispersion Late 25 Fair 7 Poor 30 Fair
Category Day 3 1 3
Max LVORI Early 7 4 5
Max LVORI Late 2 6 3
Precip Chance (%) 0 0 40
Precip Type None None Tstms
Precip Duration 1
Precip Amount 0.00 0.00 0.08
Precip Begin Continuing
Precip End Continuing
Chance of Thunder (%) 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 62 percent.
Light winds.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 60s. North winds
less than 10 mph.
.SATURDAY...Sunny. Highs in the upper 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
less than 10 mph.
.SUNDAY...Sunny. Highs in the upper 80s. Minimum RH 48 percent.
North winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 80s. Minimum RH 48 percent. Northwest winds less than
10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
47 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
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