Tropical Depression Two is expected to gradually strengthen and could bring tropical storm conditions to the Florida Panhandle beginning late Monday. Areas of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest Monday, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >
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Computed 10 Hour FM Haines
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Latest Fire Weather Forecast
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652
FNUS54 KMRX 210654
FWFMRX
Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
254 AM EDT Tue Jul 21 2026
.DISCUSSION...
A cold front will bring multiple rounds of showers and storms
tonight and Wednesday morning. Some storms could be strong to
severe, and may produce locally heavy rainfall and flooding.
Temperatures begin to trend below normal tomorrow, persisting
through the end of the week.
VAZ001-220800-
Lee-
Including the city of Rose Hill
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 84-89 (+1) 66-71 (-1) 80-85
RH % (24h trend) 63-68 (-4) 95-100 (0) 62-67
RH Recovery Excellent
AM 20FT Wnd (mph) SW 9 W 5
PM 20FT Wnd (mph) SW 11 SW 11 NW 8
Transport Wnd (mph) SW 18 SW 10 W 9
Mixing Hgt(ft-agl) 3090 460 3140
Vent Rate (mph-ft) 55620 4600 28260
Max Dispersion Early 40 Fair 7 Poor 16 Gen Poor
Max Dispersion Late 51 Gen Good 4 Very Poor 28 Fair
Category Day 3 1 2
Max LVORI Early 9 7 9
Max LVORI Late 3 10 3
Precip Chance (%) 70 90 60
Precip Type Tstms Tstms Tstms
Precip Duration 2 6 2
Precip Amount 0.16 1.08 0.12
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 8 PM
Chance of Thunder (%) 70 60 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 60. North winds
less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
57 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 75 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 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.
$$
VAZ002-220800-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 81-86 (+1) 64-69 (-1) 76-81
RH % (24h trend) 64-69 (-2) 95-100 (0) 65-70
RH Recovery Excellent
AM 20FT Wnd (mph) SW 12 W 6
PM 20FT Wnd (mph) SW 11 G19 SW 15 NW 8
Transport Wnd (mph) SW 21 SW 13 W 9
Mixing Hgt(ft-agl) 3280 460 3110
Vent Rate (mph-ft) 68880 5980 27990
Max Dispersion Early 49 Gen Good 9 Poor 22 Fair
Max Dispersion Late 57 Gen Good 6 Very Poor 27 Fair
Category Day 4 1 2
Max LVORI Early 8 7 8
Max LVORI Late 3 9 3
Precip Chance (%) 80 100 70
Precip Type Tstms Tstms Tstms
Precip Duration 2 5 2
Precip Amount 0.09 1.03 0.11
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 70 60 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 50s. North winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
60 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 60. East winds less
than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 65 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 75 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 64 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.
$$
VAZ005-220800-
Scott VA-
Including the city of Hiltons
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 84-89 (0) 67-72 (0) 80-85
RH % (24h trend) 63-68 (-3) 95-100 (0) 66-71
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 SW 9
PM 20FT Wnd (mph) SW 11 G19 SW 14 NW 8
Transport Wnd (mph) SW 18 W 8 W 9
Mixing Hgt(ft-agl) 3400 460 2870
Vent Rate (mph-ft) 61200 3680 25830
Max Dispersion Early 44 Gen Good 6 Very Poor 20 Gen Poor
Max Dispersion Late 55 Gen Good 4 Very Poor 24 Fair
Category Day 4 1 2
Max LVORI Early 9 6 9
Max LVORI Late 3 9 3
Precip Chance (%) 50 90 70
Precip Type Tstms Tstms Tstms
Precip Duration 1 6 2
Precip Amount 0.08 1.04 0.22
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 50 60 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. North winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
60 percent. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 78 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 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.
$$
VAZ006-220800-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 81-86 (0) 64-69 (-1) 77-82
RH % (24h trend) 65-70 (-3) 95-100 (0) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 13 W 11
PM 20FT Wnd (mph) SW 13 SW 18 NW 7
Transport Wnd (mph) SW 20 SW 12 W 9
Mixing Hgt(ft-agl) 3350 460 2870
Vent Rate (mph-ft) 67000 5520 25830
Max Dispersion Early 48 Gen Good 6 Very Poor 19 Gen Poor
Max Dispersion Late 57 Gen Good 6 Very Poor 22 Fair
Category Day 4 1 2
Max LVORI Early 8 6 9
Max LVORI Late 3 9 4
Precip Chance (%) 60 90 70
Precip Type Tstms Tstms Tstms
Precip Duration 2 6 2
Precip Amount 0.10 1.09 0.28
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 60 60 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 50s. North winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
62 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 60. East winds 5 to
10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 66 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 78 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ008-220800-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 83-88 (+1) 65-70 (-1) 78-83
RH % (24h trend) 61-66 (-4) 95-100 (+1) 65-70
RH Recovery Excellent
AM 20FT Wnd (mph) SW 12 SW 9
PM 20FT Wnd (mph) SW 12 SW 16 W 8
Transport Wnd (mph) SW 20 SW 10 W 10
Mixing Hgt(ft-agl) 3460 450 2610
Vent Rate (mph-ft) 69200 4500 26100
Max Dispersion Early 47 Gen Good 10 Poor 23 Fair
Max Dispersion Late 61 Good 6 Very Poor 24 Fair
Category Day 4 1 3
Max LVORI Early 8 6 8
Max LVORI Late 3 8 3
Precip Chance (%) 50 90 80
Precip Type Tstms Tstms Tstms
Precip Duration 1 6 3
Precip Amount 0.08 1.04 0.54
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 50 60 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the lower 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 61 percent.
Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. East winds 5 to 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 64 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 76 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 65 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.
$$
TNZ018-220800-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 82-87 (+1) 64-69 (-1) 77-82
RH % (24h trend) 54-59 (-7) 95-100 (+2) 60-65
RH Recovery Excellent
AM 20FT Wnd (mph) W 9 G18 W 9
PM 20FT Wnd (mph) SW 9 G17 SW 11 W 6
Transport Wnd (mph) W 16 SW 10 W 12
Mixing Hgt(ft-agl) 3580 500 2520
Vent Rate (mph-ft) 57280 5000 30240
Max Dispersion Early 48 Gen Good 11 Poor 23 Fair
Max Dispersion Late 51 Gen Good 10 Poor 24 Fair
Category Day 3 1 2
Max LVORI Early 7 6 8
Max LVORI Late 3 8 3
Precip Chance (%) 60 90 90
Precip Type Tstms Tstms Tstms
Precip Duration 1 4 4
Precip Amount 0.08 0.61 0.79
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 60 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 70s. Minimum RH
62 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 50s. Southeast winds less
than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 62 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Minimum RH 73 percent. South
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 65 percent. West winds
less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 63 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.
$$
TNZ047-220800-
Southeast Carter-
Including the city of Hampton
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 81-86 (+1) 63-68 (-1) 75-80
RH % (24h trend) 57-62 (-9) 95-100 (+4) 66-71
RH Recovery Excellent
AM 20FT Wnd (mph) SW 8 W 8
PM 20FT Wnd (mph) SW 8 SW 9 W 5
Transport Wnd (mph) W 15 SW 9 W 12
Mixing Hgt(ft-agl) 3550 480 2760
Vent Rate (mph-ft) 53250 4320 33120
Max Dispersion Early 51 Gen Good 6 Very Poor 22 Fair
Max Dispersion Late 46 Gen Good 7 Poor 27 Fair
Category Day 3 1 3
Max LVORI Early 6 5 7
Max LVORI Late 3 7 4
Precip Chance (%) 50 80 90
Precip Type Tstms Tstms Tstms
Precip Duration 1 2 4
Precip Amount 0.07 0.40 0.59
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 50 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Northwest
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the mid 70s. Minimum RH 69 percent.
Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. Southeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 70s. Minimum RH 67 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Minimum RH 76 percent. South
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 67 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 65 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.
$$
TNZ045-220800-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 82-87 (+2) 65-70 (0) 75-80
RH % (24h trend) 59-64 (-8) 95-100 (+5) 70-75
RH Recovery Excellent
AM 20FT Wnd (mph) SW 8 W 7
PM 20FT Wnd (mph) SW 7 SW 11 W 5
Transport Wnd (mph) SW 14 SW 9 W 12
Mixing Hgt(ft-agl) 3880 470 2730
Vent Rate (mph-ft) 54320 4230 32760
Max Dispersion Early 51 Gen Good 6 Very Poor 23 Fair
Max Dispersion Late 46 Gen Good 5 Very Poor 26 Fair
Category Day 3 1 3
Max LVORI Early 6 6 6
Max LVORI Late 3 8 4
Precip Chance (%) 40 70 100
Precip Type Tstms Tstms Tstms
Precip Duration 1 2 4
Precip Amount 0.04 0.45 0.53
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 40 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 71 percent.
North winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds 5 to 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 68 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Minimum RH 79 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 70 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 67 percent. West winds
less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ043-220800-
Southeast Greene-
Including the city of Cedar Creek
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 82-87 (+2) 65-70 (0) 76-81
RH % (24h trend) 54-59 (-12) 95-100 (+5) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 8 W 8
PM 20FT Wnd (mph) SW 6 S 10 W 5
Transport Wnd (mph) W 13 SW 7 W 10
Mixing Hgt(ft-agl) 4270 450 2860
Vent Rate (mph-ft) 55510 3150 28600
Max Dispersion Early 50 Gen Good 5 Very Poor 22 Fair
Max Dispersion Late 44 Gen Good 4 Very Poor 27 Fair
Category Day 3 1 3
Max LVORI Early 6 5 9
Max LVORI Late 3 7 4
Precip Chance (%) 30 70 90
Precip Type Tstms Tstms Tstms
Precip Duration 1 2 6
Precip Amount 0.02 0.49 0.59
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 30 40 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 68 percent.
North winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 65 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 73 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 67 percent. West winds
less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ041-220800-
Cocke Smoky Mountains-
Including the city of Hartford
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 84-89 (+3) 67-72 (0) 77-82
RH % (24h trend) 51-56 (-15) 95-100 (+7) 69-74
RH Recovery Excellent
AM 20FT Wnd (mph) W 10 W 10
PM 20FT Wnd (mph) SW 11 S 13 NW 5
Transport Wnd (mph) SW 12 SW 8 W 10
Mixing Hgt(ft-agl) 4910 420 2950
Vent Rate (mph-ft) 58920 3360 29500
Max Dispersion Early 50 Gen Good 5 Very Poor 24 Fair
Max Dispersion Late 51 Gen Good 4 Very Poor 27 Fair
Category Day 3 1 3
Max LVORI Early 6 5 7
Max LVORI Late 3 7 4
Precip Chance (%) 20 60 90
Precip Type Tstms Tstms Tstms
Precip Duration 1 1 5
Precip Amount 0.01 0.34 0.66
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 20 30 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. North winds less
than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 70 percent.
North winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 67 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 75 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 60s. Southwest winds
less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
West winds less than 10 mph.
.SUNDAY 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.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ074-220800-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 80-85 (+2) 66-71 (+1) 74-79
RH % (24h trend) 53-58 (-14) 95-100 (+8) 69-74
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 SW 11
PM 20FT Wnd (mph) SW 11 SW 14 W 5
Transport Wnd (mph) SW 15 SW 13 W 13
Mixing Hgt(ft-agl) 4370 460 2910
Vent Rate (mph-ft) 65550 5980 37830
Max Dispersion Early 46 Gen Good 11 Poor 28 Fair
Max Dispersion Late 55 Gen Good 6 Very Poor 31 Fair
Category Day 4 1 3
Max LVORI Early 6 4 6
Max LVORI Late 3 6 4
Precip Chance (%) 0 60 90
Precip Type None Tstms Tstms
Precip Duration 2 5
Precip Amount 0.00 0.27 0.60
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 30 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. North winds
less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Minimum RH 72 percent. North
winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Minimum RH 72 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.SATURDAY...Showers with thunderstorms likely. Highs in the mid
70s. Minimum RH 79 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southwest winds
less than 10 mph.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 70 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 65 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ072-220800-
Blount Smoky Mountains-
Including the city of Cades Cove
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+2) 69-74 (0) 79-84
RH % (24h trend) 53-58 (-12) 95-100 (+9) 69-74
RH Recovery Excellent
AM 20FT Wnd (mph) SW 9 SW 8
PM 20FT Wnd (mph) SW 9 S 13 Lgt/Var
Transport Wnd (mph) SW 15 S 12 SW 14
Mixing Hgt(ft-agl) 4680 460 3120
Vent Rate (mph-ft) 70200 5520 43680
Max Dispersion Early 50 Gen Good 7 Poor 33 Fair
Max Dispersion Late 66 Good 5 Very Poor 36 Fair
Category Day 4 1 3
Max LVORI Early 6 4 6
Max LVORI Late 3 6 5
Precip Chance (%) 0 60 90
Precip Type None Tstms Tstms
Precip Duration 1 4
Precip Amount 0.00 0.30 0.37
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 30 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. North winds
less than 10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 69 percent. North
winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. East winds less than 10 mph.
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SATURDAY...Showers with thunderstorms likely. Highs in the upper
70s. Minimum RH 77 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 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.
$$
TNZ087-220800-
Southeast Monroe-
Including the cities of Citico and Coker Creek
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+2) 68-73 (0) 80-85
RH % (24h trend) 52-57 (-11) 95-100 (+5) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) S 6 SW 8
PM 20FT Wnd (mph) SW 7 S 10 G18 Lgt/Var
Transport Wnd (mph) S 15 S 10 SW 10
Mixing Hgt(ft-agl) 4630 460 2940
Vent Rate (mph-ft) 69450 4600 29400
Max Dispersion Early 47 Gen Good 6 Very Poor 22 Fair
Max Dispersion Late 59 Gen Good 6 Very Poor 27 Fair
Category Day 4 1 3
Max LVORI Early 6 5 6
Max LVORI Late 3 7 5
Precip Chance (%) 0 50 90
Precip Type None Tstms Tstms
Precip Duration 1 3
Precip Amount 0.00 0.14 0.35
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 30 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. North winds less than 10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
North winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. East winds less than 10 mph.
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southeast winds less than
10 mph.
.SATURDAY...Showers with thunderstorms likely. Highs in the upper
70s. Minimum RH 76 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 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.
$$
TNZ102-220800-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 87-92 (+1) 69-74 (+1) 82-87
RH % (24h trend) 51-56 (-9) 95-100 (+3) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) S 8 SW 11
PM 20FT Wnd (mph) SW 8 S 15 SW 5
Transport Wnd (mph) S 13 S 10 SW 9
Mixing Hgt(ft-agl) 5010 450 3260
Vent Rate (mph-ft) 65130 4500 29340
Max Dispersion Early 45 Gen Good 6 Very Poor 24 Fair
Max Dispersion Late 58 Gen Good 6 Very Poor 25 Fair
Category Day 4 1 2
Max LVORI Early 7 5 6
Max LVORI Late 2 7 4
Precip Chance (%) 0 30 70
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.05 0.15
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. East winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southeast winds less than
10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 73 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 60 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.
$$
NCZ060-220800-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+1) 68-73 (+1) 81-86
RH % (24h trend) 52-57 (-10) 95-100 (+4) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) S 6 SW 9
PM 20FT Wnd (mph) SW 8 S 11 SW 5
Transport Wnd (mph) S 13 S 8 SW 9
Mixing Hgt(ft-agl) 4750 450 2790
Vent Rate (mph-ft) 61750 3600 25110
Max Dispersion Early 44 Gen Good 5 Very Poor 23 Fair
Max Dispersion Late 53 Gen Good 6 Very Poor 22 Fair
Category Day 4 1 2
Max LVORI Early 8 6 6
Max LVORI Late 3 7 5
Precip Chance (%) 0 30 80
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.06 0.20
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the upper 60s. Northwest winds less
than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Northwest winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. East winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SATURDAY...Showers with thunderstorms likely. Highs around 80.
Minimum RH 77 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Northwest winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 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.
$$
NCZ061-220800-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 82-87 (+1) 67-72 (+1) 78-83
RH % (24h trend) 59-64 (-10) 95-100 (+3) 75-80
RH Recovery Excellent
AM 20FT Wnd (mph) SW 5 SW 10
PM 20FT Wnd (mph) S 7 S 11 Lgt/Var
Transport Wnd (mph) S 13 S 9 SW 12
Mixing Hgt(ft-agl) 4410 460 2570
Vent Rate (mph-ft) 57330 4140 30840
Max Dispersion Early 42 Gen Good 6 Very Poor 25 Fair
Max Dispersion Late 49 Gen Good 4 Very Poor 22 Fair
Category Day 4 1 2
Max LVORI Early 8 6 7
Max LVORI Late 3 7 6
Precip Chance (%) 0 30 80
Precip Type None Tstms Tstms
Precip Duration 1 3
Precip Amount 0.00 0.02 0.26
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. Northwest winds less than
10 mph.
.THURSDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 78 percent. West winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 77 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.SATURDAY...Showers with thunderstorms likely. Highs in the mid
70s. Minimum RH 84 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. West winds less than 10 mph.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 73 percent.
Northwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Northwest winds less than
10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 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.
$$
TNZ015-220800-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+1) 67-72 (-1) 82-87
RH % (24h trend) 60-65 (-5) 95-100 (0) 63-68
RH Recovery Excellent
AM 20FT Wnd (mph) SW 9 W 5
PM 20FT Wnd (mph) SW 9 SW 10 NW 5
Transport Wnd (mph) SW 20 SW 10 W 10
Mixing Hgt(ft-agl) 3510 450 3370
Vent Rate (mph-ft) 70200 4500 33700
Max Dispersion Early 50 Gen Good 8 Poor 19 Gen Poor
Max Dispersion Late 63 Good 6 Very Poor 30 Fair
Category Day 4 1 3
Max LVORI Early 9 6 9
Max LVORI Late 3 9 3
Precip Chance (%) 50 90 70
Precip Type Tstms Tstms Tstms
Precip Duration 1 6 2
Precip Amount 0.04 1.03 0.33
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 8 PM
Chance of Thunder (%) 50 60 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
57 percent. North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Light and variable
wind.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 74 percent. Southwest
winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 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.
$$
TNZ016-220800-
Hawkins-
Including the city of Mooresburg
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+1) 67-72 (0) 81-86
RH % (24h trend) 61-66 (-5) 95-100 (0) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 SW 8
PM 20FT Wnd (mph) SW 11 SW 10 W 5
Transport Wnd (mph) SW 20 SW 9 W 12
Mixing Hgt(ft-agl) 3800 450 3190
Vent Rate (mph-ft) 76000 4050 38280
Max Dispersion Early 53 Gen Good 8 Poor 19 Gen Poor
Max Dispersion Late 64 Good 8 Poor 32 Fair
Category Day 4 1 3
Max LVORI Early 9 6 8
Max LVORI Late 3 9 4
Precip Chance (%) 30 80 70
Precip Type Tstms Tstms Tstms
Precip Duration 1 5 3
Precip Amount 0.03 0.94 0.60
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 30 50 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the lower 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
62 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 77 percent. Southwest
winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 68 percent. West
winds less than 10 mph.
.SUNDAY 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.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ017-220800-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+1) 67-72 (-1) 80-85
RH % (24h trend) 58-63 (-3) 95-100 (+3) 65-70
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 SW 11
PM 20FT Wnd (mph) SW 11 G18 SW 11 W 7
Transport Wnd (mph) SW 16 SW 8 W 10
Mixing Hgt(ft-agl) 3730 450 2650
Vent Rate (mph-ft) 59680 3600 26500
Max Dispersion Early 45 Gen Good 8 Poor 24 Fair
Max Dispersion Late 56 Gen Good 6 Very Poor 26 Fair
Category Day 3 1 3
Max LVORI Early 8 6 8
Max LVORI Late 3 9 3
Precip Chance (%) 40 80 80
Precip Type Tstms Tstms Tstms
Precip Duration 1 5 3
Precip Amount 0.04 0.83 0.66
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 40 60 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the lower 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. East winds 5 to 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 73 percent. Southwest
winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. West
winds less than 10 mph.
.SUNDAY 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.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ046-220800-
Northwest Carter-
Including the city of Elizabethton
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+1) 66-71 (-1) 79-84
RH % (24h trend) 53-58 (-6) 95-100 (+6) 62-67
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 G17 W 10
PM 20FT Wnd (mph) SW 10 SW 10 W 6
Transport Wnd (mph) W 16 SW 8 W 10
Mixing Hgt(ft-agl) 3820 450 2510
Vent Rate (mph-ft) 61120 3600 25100
Max Dispersion Early 53 Gen Good 6 Very Poor 22 Fair
Max Dispersion Late 52 Gen Good 6 Very Poor 22 Fair
Category Day 4 1 2
Max LVORI Early 6 6 7
Max LVORI Late 3 6 3
Precip Chance (%) 50 90 90
Precip Type Tstms Tstms Tstms
Precip Duration 1 4 4
Precip Amount 0.04 0.62 0.77
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 50 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
59 percent. North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. East winds less than
10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 69 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 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.
$$
TNZ044-220800-
Washington TN-
Including the city of Johnson City
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+1) 67-72 (0) 80-85
RH % (24h trend) 56-61 (-5) 95-100 (+5) 66-71
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 W 7
PM 20FT Wnd (mph) SW 10 G17 SW 9 W 6
Transport Wnd (mph) SW 16 SW 8 W 12
Mixing Hgt(ft-agl) 3900 450 2880
Vent Rate (mph-ft) 62400 3600 34560
Max Dispersion Early 52 Gen Good 6 Very Poor 24 Fair
Max Dispersion Late 55 Gen Good 5 Very Poor 29 Fair
Category Day 4 1 3
Max LVORI Early 7 6 7
Max LVORI Late 3 8 3
Precip Chance (%) 30 80 90
Precip Type Tstms Tstms Tstms
Precip Duration 1 3 4
Precip Amount 0.02 0.64 0.71
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 30 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
61 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. East winds less than
10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 71 percent. Southwest
winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent. West
winds less than 10 mph.
.SUNDAY 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.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 62 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ042-220800-
Northwest Greene-
Including the city of Greeneville
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 87-92 (+2) 67-72 (0) 81-86
RH % (24h trend) 56-61 (-7) 95-100 (+3) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 W 10
PM 20FT Wnd (mph) SW 10 SW 11 W 6
Transport Wnd (mph) W 16 SW 8 W 12
Mixing Hgt(ft-agl) 4020 450 3040
Vent Rate (mph-ft) 64320 3600 36480
Max Dispersion Early 56 Gen Good 6 Very Poor 24 Fair
Max Dispersion Late 58 Gen Good 6 Very Poor 31 Fair
Category Day 4 1 3
Max LVORI Early 8 6 8
Max LVORI Late 3 9 4
Precip Chance (%) 20 80 80
Precip Type Tstms Tstms Tstms
Precip Duration 1 3 4
Precip Amount 0.02 0.65 0.79
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 20 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 60s. North winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
Northeast winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the mid 60s. East winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 72 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. West
winds less than 10 mph.
.SUNDAY 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.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ038-220800-
Grainger-
Including the city of Bean Station
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 87-92 (+1) 69-74 (-1) 82-87
RH % (24h trend) 60-65 (-6) 95-100 (+2) 65-70
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 SW 6
PM 20FT Wnd (mph) SW 10 SW 11 Lgt/Var
Transport Wnd (mph) SW 20 SW 12 W 13
Mixing Hgt(ft-agl) 3980 460 2960
Vent Rate (mph-ft) 79600 5520 38480
Max Dispersion Early 58 Gen Good 8 Poor 23 Fair
Max Dispersion Late 67 Good 8 Poor 31 Fair
Category Day 4 1 3
Max LVORI Early 7 6 7
Max LVORI Late 3 8 3
Precip Chance (%) 20 80 70
Precip Type Tstms Tstms Tstms
Precip Duration 1 5 3
Precip Amount 0.01 0.92 0.82
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Chance of Thunder (%) 20 50 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
60 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Northeast winds less than
10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 76 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ039-220800-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 87-92 (+1) 69-74 (0) 82-87
RH % (24h trend) 59-64 (-7) 95-100 (+1) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 9 W 7
PM 20FT Wnd (mph) SW 10 SW 9 W 5
Transport Wnd (mph) SW 20 SW 10 W 13
Mixing Hgt(ft-agl) 4030 450 2930
Vent Rate (mph-ft) 80600 4500 38090
Max Dispersion Early 62 Good 9 Poor 25 Fair
Max Dispersion Late 67 Good 8 Poor 32 Fair
Category Day 4 1 3
Max LVORI Early 8 6 7
Max LVORI Late 3 8 4
Precip Chance (%) 0 80 70
Precip Type None Tstms Tstms
Precip Duration 4 3
Precip Amount 0.00 0.74 0.87
Precip Begin Continuing Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
63 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Northeast winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. East
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 76 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. West
winds less than 10 mph.
.SUNDAY 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.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 65 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ040-220800-
Northwest Cocke-
Including the cities of Bybee and Newport
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 88-93 (+2) 69-74 (0) 81-86
RH % (24h trend) 53-58 (-9) 95-100 (+4) 69-74
RH Recovery Excellent
AM 20FT Wnd (mph) SW 8 W 10
PM 20FT Wnd (mph) SW 9 SW 10 W 6
Transport Wnd (mph) W 15 SW 7 W 12
Mixing Hgt(ft-agl) 4900 430 3000
Vent Rate (mph-ft) 73500 3010 36000
Max Dispersion Early 63 Good 6 Very Poor 27 Fair
Max Dispersion Late 68 Good 5 Very Poor 31 Fair
Category Day 4 1 3
Max LVORI Early 7 5 8
Max LVORI Late 2 7 4
Precip Chance (%) 0 70 90
Precip Type None Tstms Tstms
Precip Duration 2 6
Precip Amount 0.00 0.50 0.60
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 40 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. North winds
less than 10 mph.
.THURSDAY...Partly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
64 percent. North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. East winds less than
10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. East
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southeast
winds less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 72 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. West
winds less than 10 mph.
.SUNDAY 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.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ070-220800-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 89-94 (+2) 70-75 (0) 83-88
RH % (24h trend) 54-59 (-9) 95-100 (+3) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 W 8
PM 20FT Wnd (mph) SW 10 SW 8 W 6
Transport Wnd (mph) SW 18 SW 10 W 14
Mixing Hgt(ft-agl) 4560 460 2910
Vent Rate (mph-ft) 82080 4600 40740
Max Dispersion Early 67 Good 8 Poor 33 Fair
Max Dispersion Late 75 Good 9 Poor 34 Fair
Category Day 4 1 3
Max LVORI Early 7 5 7
Max LVORI Late 2 7 4
Precip Chance (%) 0 70 80
Precip Type None Tstms Tstms
Precip Duration 2 5
Precip Amount 0.00 0.63 0.76
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 62 percent.
Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent.
Northeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. East winds less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 74 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Southwest winds
less than 10 mph.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 65 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Southwest winds
less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 62 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ035-220800-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+1) 68-73 (-1) 82-87
RH % (24h trend) 60-65 (-8) 95-100 (0) 65-70
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 Lgt/Var
PM 20FT Wnd (mph) SW 8 SW 11 NW 7
Transport Wnd (mph) SW 16 SW 6 NW 10
Mixing Hgt(ft-agl) 3410 440 3210
Vent Rate (mph-ft) 54560 2640 32100
Max Dispersion Early 42 Gen Good 5 Very Poor 20 Gen Poor
Max Dispersion Late 47 Gen Good 4 Very Poor 27 Fair
Category Day 3 1 3
Max LVORI Early 9 7 9
Max LVORI Late 3 9 3
Precip Chance (%) 20 90 50
Precip Type Tstms Tstms Tstms
Precip Duration 1 6 1
Precip Amount 0.02 0.72 0.23
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing 8 PM
Chance of Thunder (%) 20 50 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
60 percent. North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southeast winds less than
10 mph.
.SATURDAY...Partly sunny with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 76 percent. Southwest winds
less than 10 mph.
.SATURDAY 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.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 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.
$$
TNZ012-220800-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+2) 67-72 (-2) 81-86
RH % (24h trend) 60-65 (-7) 95-100 (+1) 63-68
RH Recovery Excellent
AM 20FT Wnd (mph) SW 8 Lgt/Var
PM 20FT Wnd (mph) SW 7 SW 10 NW 6
Transport Wnd (mph) SW 18 SW 8 NW 9
Mixing Hgt(ft-agl) 3410 440 3220
Vent Rate (mph-ft) 61380 3520 28980
Max Dispersion Early 44 Gen Good 8 Poor 20 Gen Poor
Max Dispersion Late 54 Gen Good 5 Very Poor 29 Fair
Category Day 4 1 2
Max LVORI Early 8 7 9
Max LVORI Late 3 9 3
Precip Chance (%) 50 90 50
Precip Type Tstms Tstms Tstms
Precip Duration 1 4 1
Precip Amount 0.10 1.00 0.07
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 8 PM
Chance of Thunder (%) 50 60 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
58 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southeast
winds less than 10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 74 percent.
Southwest winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 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.
$$
TNZ013-220800-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 83-88 (+1) 68-73 (-1) 79-84
RH % (24h trend) 66-71 (-6) 95-100 (+1) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 9 Lgt/Var
PM 20FT Wnd (mph) SW 8 SW 12 NW 7
Transport Wnd (mph) SW 16 SW 8 W 9
Mixing Hgt(ft-agl) 3280 440 3030
Vent Rate (mph-ft) 52480 3520 27270
Max Dispersion Early 39 Fair 9 Poor 18 Gen Poor
Max Dispersion Late 47 Gen Good 6 Very Poor 28 Fair
Category Day 3 1 2
Max LVORI Early 8 6 8
Max LVORI Late 4 8 3
Precip Chance (%) 40 90 60
Precip Type Tstms Tstms Tstms
Precip Duration 1 5 2
Precip Amount 0.14 0.86 0.14
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing 8 PM
Chance of Thunder (%) 40 50 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs around 80. Minimum RH 63 percent.
North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southeast winds less than
10 mph.
.SATURDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 81 percent.
Southwest winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ014-220800-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+1) 68-73 (-1) 81-86
RH % (24h trend) 61-66 (-6) 95-100 (0) 62-67
RH Recovery Excellent
AM 20FT Wnd (mph) SW 9 Lgt/Var
PM 20FT Wnd (mph) SW 9 SW 9 NW 6
Transport Wnd (mph) SW 18 W 8 W 10
Mixing Hgt(ft-agl) 3290 440 3090
Vent Rate (mph-ft) 59220 3520 30900
Max Dispersion Early 44 Gen Good 6 Very Poor 17 Gen Poor
Max Dispersion Late 54 Gen Good 5 Very Poor 28 Fair
Category Day 4 1 3
Max LVORI Early 9 6 8
Max LVORI Late 3 9 3
Precip Chance (%) 50 90 60
Precip Type Tstms Tstms Tstms
Precip Duration 1 5 2
Precip Amount 0.06 0.95 0.18
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing 8 PM
Chance of Thunder (%) 50 60 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
57 percent. North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Southeast winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. East winds less than
10 mph.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 75 percent. Southwest
winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 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.
$$
TNZ037-220800-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+1) 69-74 (-1) 82-87
RH % (24h trend) 62-67 (-6) 95-100 (+1) 66-71
RH Recovery Excellent
AM 20FT Wnd (mph) SW 9 SW 7
PM 20FT Wnd (mph) SW 9 SW 11 Lgt/Var
Transport Wnd (mph) SW 18 SW 10 W 10
Mixing Hgt(ft-agl) 3820 460 3150
Vent Rate (mph-ft) 68760 4600 31500
Max Dispersion Early 51 Gen Good 8 Poor 18 Gen Poor
Max Dispersion Late 64 Good 8 Poor 30 Fair
Category Day 4 1 3
Max LVORI Early 7 6 8
Max LVORI Late 3 8 3
Precip Chance (%) 30 80 70
Precip Type Tstms Tstms Tstms
Precip Duration 1 5 2
Precip Amount 0.05 0.93 0.59
Precip Begin 12 PM Continuing Continuing
Precip End Continuing Continuing 8 PM
Chance of Thunder (%) 20 50 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
59 percent. North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. South
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.SATURDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 78 percent.
Southwest winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Partly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 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.
$$
TNZ036-220800-
Anderson-
Including the cities of Oak Ridge and Clinton
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+2) 69-74 (-1) 82-87
RH % (24h trend) 60-65 (-9) 95-100 (+2) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 SW 5
PM 20FT Wnd (mph) SW 9 SW 13 W 6
Transport Wnd (mph) SW 17 SW 8 W 9
Mixing Hgt(ft-agl) 3870 440 3190
Vent Rate (mph-ft) 65790 3520 28710
Max Dispersion Early 53 Gen Good 7 Poor 19 Gen Poor
Max Dispersion Late 61 Good 6 Very Poor 27 Fair
Category Day 4 1 2
Max LVORI Early 7 6 8
Max LVORI Late 3 8 3
Precip Chance (%) 20 90 70
Precip Type Tstms Tstms Tstms
Precip Duration 1 6 2
Precip Amount 0.03 0.78 0.45
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing 8 PM
Chance of Thunder (%) 20 50 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. North
winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
61 percent. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.SATURDAY...Partly sunny with showers and thunderstorms likely.
Highs around 80. Minimum RH 79 percent. Southwest winds less than
10 mph.
.SATURDAY 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.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 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.
$$
TNZ069-220800-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 88-93 (+1) 71-76 (0) 83-88
RH % (24h trend) 56-61 (-9) 95-100 (+3) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 SW 9
PM 20FT Wnd (mph) SW 10 SW 10 W 5
Transport Wnd (mph) SW 20 SW 10 SW 14
Mixing Hgt(ft-agl) 4480 460 2920
Vent Rate (mph-ft) 89600 4600 40880
Max Dispersion Early 64 Good 8 Poor 35 Fair
Max Dispersion Late 74 Good 7 Poor 34 Fair
Category Day 4 1 3
Max LVORI Early 6 5 6
Max LVORI Late 2 6 4
Precip Chance (%) 0 80 80
Precip Type None Tstms Tstms
Precip Duration 5 3
Precip Amount 0.00 0.63 0.67
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 50 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
61 percent. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. West
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. West winds less than 10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 76 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Southwest winds
less than 10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ073-220800-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 89-94 (+3) 70-75 (0) 82-87
RH % (24h trend) 50-55 (-11) 95-100 (+3) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 SW 12
PM 20FT Wnd (mph) SW 11 SW 15 W 6
Transport Wnd (mph) SW 16 SW 10 W 14
Mixing Hgt(ft-agl) 5010 450 3410
Vent Rate (mph-ft) 80160 4500 47740
Max Dispersion Early 68 Good 7 Poor 37 Fair
Max Dispersion Late 73 Good 6 Very Poor 42 Gen Good
Category Day 4 1 3
Max LVORI Early 6 5 7
Max LVORI Late 2 7 4
Precip Chance (%) 0 70 90
Precip Type None Tstms Tstms
Precip Duration 2 5
Precip Amount 0.00 0.48 0.49
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 40 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. North
winds 5 to 10 mph.
.THURSDAY...Partly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent. North
winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent.
Northwest winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SATURDAY...Showers with thunderstorms likely. Highs in the lower
80s. Minimum RH 72 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Southwest winds
less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 60 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ067-220800-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 88-93 (+1) 71-76 (0) 84-89
RH % (24h trend) 59-64 (-9) 95-100 (+2) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 7 Lgt/Var
PM 20FT Wnd (mph) SW 8 SW 7 Lgt/Var
Transport Wnd (mph) SW 16 SW 9 NW 8
Mixing Hgt(ft-agl) 4290 450 3050
Vent Rate (mph-ft) 68640 4050 24400
Max Dispersion Early 51 Gen Good 5 Very Poor 26 Fair
Max Dispersion Late 62 Good 6 Very Poor 27 Fair
Category Day 4 1 2
Max LVORI Early 7 6 8
Max LVORI Late 3 8 4
Precip Chance (%) 0 90 70
Precip Type None Tstms Tstms
Precip Duration 5 2
Precip Amount 0.00 0.44 0.35
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 50 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
63 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. North
winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 70 percent. Light
and variable wind.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SATURDAY...Partly sunny with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 78 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Light and
variable wind.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 68 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows around 70. Light and variable wind.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 65 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.
$$
TNZ068-220800-
Loudon-
Including the cities of Lenoir City and Loudon
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 89-94 (+2) 71-76 (0) 84-89
RH % (24h trend) 57-62 (-9) 95-100 (+4) 71-76
RH Recovery Excellent
AM 20FT Wnd (mph) SW 9 SW 6
PM 20FT Wnd (mph) SW 9 SW 8 Lgt/Var
Transport Wnd (mph) SW 17 SW 10 SW 14
Mixing Hgt(ft-agl) 4720 450 3380
Vent Rate (mph-ft) 80240 4500 47320
Max Dispersion Early 60 Gen Good 5 Very Poor 35 Fair
Max Dispersion Late 71 Good 8 Poor 40 Fair
Category Day 4 1 3
Max LVORI Early 6 5 7
Max LVORI Late 3 6 4
Precip Chance (%) 0 80 70
Precip Type None Tstms Tstms
Precip Duration 3 2
Precip Amount 0.00 0.42 0.33
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 40 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
65 percent. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. South winds less than 10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 78 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Southwest winds
less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
69 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 66 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ071-220800-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 89-94 (+2) 72-77 (0) 83-88
RH % (24h trend) 53-58 (-10) 95-100 (+7) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 SW 9
PM 20FT Wnd (mph) SW 11 SW 12 W 7
Transport Wnd (mph) SW 17 SW 10 SW 15
Mixing Hgt(ft-agl) 4840 450 3440
Vent Rate (mph-ft) 82280 4500 51600
Max Dispersion Early 63 Good 6 Very Poor 38 Fair
Max Dispersion Late 73 Good 6 Very Poor 45 Gen Good
Category Day 4 1 3
Max LVORI Early 6 4 6
Max LVORI Late 2 6 4
Precip Chance (%) 0 70 80
Precip Type None Tstms Tstms
Precip Duration 2 4
Precip Amount 0.00 0.46 0.35
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 40 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. North
winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 68 percent. West
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 74 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 70. Southwest winds
less than 10 mph.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 66 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ086-220800-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 89-94 (+2) 72-77 (+1) 84-89
RH % (24h trend) 53-58 (-9) 95-100 (+6) 69-74
RH Recovery Excellent
AM 20FT Wnd (mph) SW 8 SW 6
PM 20FT Wnd (mph) SW 8 S 7 Lgt/Var
Transport Wnd (mph) SW 16 S 10 SW 13
Mixing Hgt(ft-agl) 5040 450 3440
Vent Rate (mph-ft) 80640 4500 44720
Max Dispersion Early 56 Gen Good 5 Very Poor 32 Fair
Max Dispersion Late 68 Good 6 Very Poor 39 Fair
Category Day 4 1 3
Max LVORI Early 6 4 6
Max LVORI Late 2 6 4
Precip Chance (%) 0 60 80
Precip Type None Tstms Tstms
Precip Duration 2 3
Precip Amount 0.00 0.27 0.29
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. North
winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 69 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. South winds less than 10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 74 percent. Southwest winds less
than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. South winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
67 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows around 70. Light and variable wind.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ083-220800-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 88-93 (+2) 71-76 (+1) 83-88
RH % (24h trend) 59-64 (-11) 95-100 (+1) 70-75
RH Recovery Excellent
AM 20FT Wnd (mph) SW 6 Lgt/Var
PM 20FT Wnd (mph) SW 7 SW 7 Lgt/Var
Transport Wnd (mph) SW 15 SW 8 W 9
Mixing Hgt(ft-agl) 4560 440 3450
Vent Rate (mph-ft) 68400 3520 31050
Max Dispersion Early 49 Gen Good 4 Very Poor 30 Fair
Max Dispersion Late 61 Good 5 Very Poor 30 Fair
Category Day 4 1 3
Max LVORI Early 8 6 8
Max LVORI Late 3 8 4
Precip Chance (%) 0 80 70
Precip Type None Tstms Tstms
Precip Duration 3 2
Precip Amount 0.00 0.28 0.22
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 40 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
65 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. North
winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 72 percent. South
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 79 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 69 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 60s. Light and
variable wind.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 65 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.
$$
TNZ084-220800-
Meigs-
Including the city of Big Spring
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 89-94 (+1) 72-77 (0) 85-90
RH % (24h trend) 55-60 (-10) 95-100 (+2) 69-74
RH Recovery Excellent
AM 20FT Wnd (mph) SW 7 Lgt/Var
PM 20FT Wnd (mph) SW 8 SW 5 Lgt/Var
Transport Wnd (mph) SW 16 SW 9 SW 12
Mixing Hgt(ft-agl) 4990 450 3320
Vent Rate (mph-ft) 79840 4050 39840
Max Dispersion Early 56 Gen Good 5 Very Poor 33 Fair
Max Dispersion Late 68 Good 5 Very Poor 33 Fair
Category Day 4 1 3
Max LVORI Early 7 5 7
Max LVORI Late 2 7 4
Precip Chance (%) 0 60 80
Precip Type None Tstms Tstms
Precip Duration 2 2
Precip Amount 0.00 0.27 0.21
Precip Begin 10 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 40 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
63 percent. Northeast winds less than 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 69 percent. Light
and variable wind.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light and variable wind.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 76 percent. Southwest winds less
than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Light and variable wind.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 66 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. Light and
variable wind.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 63 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.
$$
TNZ085-220800-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 89-94 (+1) 72-77 (+1) 84-89
RH % (24h trend) 52-57 (-10) 95-100 (+3) 70-75
RH Recovery Excellent
AM 20FT Wnd (mph) SW 8 SW 6
PM 20FT Wnd (mph) SW 8 S 8 Lgt/Var
Transport Wnd (mph) SW 16 S 10 SW 13
Mixing Hgt(ft-agl) 4880 440 3540
Vent Rate (mph-ft) 78080 4400 46020
Max Dispersion Early 56 Gen Good 5 Very Poor 33 Fair
Max Dispersion Late 67 Good 7 Poor 39 Fair
Category Day 4 1 3
Max LVORI Early 7 5 7
Max LVORI Late 2 6 4
Precip Chance (%) 0 60 80
Precip Type None Tstms Tstms
Precip Duration 1 3
Precip Amount 0.00 0.22 0.24
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers. Highs
in the mid 80s. Minimum RH 64 percent. North winds less than
10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 69 percent. Light
and variable wind.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 70. Southeast winds less than 10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 75 percent. Southwest winds less
than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
67 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows around 70. Light and variable wind.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 62 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.
$$
TNZ099-220800-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 90-95 (+2) 72-77 (0) 85-90
RH % (24h trend) 52-57 (-12) 95-100 (+3) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) S 6 SW 6
PM 20FT Wnd (mph) S 7 SW 11 W 5
Transport Wnd (mph) SW 13 S 9 SW 10
Mixing Hgt(ft-agl) 5280 450 3650
Vent Rate (mph-ft) 68640 4050 36500
Max Dispersion Early 48 Gen Good 5 Very Poor 30 Fair
Max Dispersion Late 62 Good 5 Very Poor 32 Fair
Category Day 4 1 3
Max LVORI Early 6 4 6
Max LVORI Late 2 6 4
Precip Chance (%) 0 50 80
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.08 0.13
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent. North
winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 69 percent. South
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 74 percent. Southwest winds less
than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 66 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 61 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.
$$
TNZ100-220800-
Bradley-
Including the cities of Cleveland and Tasso
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 90-95 (+2) 73-78 (+1) 85-90
RH % (24h trend) 52-57 (-8) 94-99 (+2) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) S 7 SW 6
PM 20FT Wnd (mph) S 7 S 8 Lgt/Var
Transport Wnd (mph) S 15 S 12 SW 8
Mixing Hgt(ft-agl) 5170 460 3760
Vent Rate (mph-ft) 77550 5520 30080
Max Dispersion Early 54 Gen Good 5 Very Poor 30 Fair
Max Dispersion Late 66 Good 7 Poor 34 Fair
Category Day 4 1 3
Max LVORI Early 6 4 5
Max LVORI Late 1 6 4
Precip Chance (%) 0 40 70
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.10 0.21
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.THURSDAY...Partly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent. North
winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 67 percent. South
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 72 percent. Southwest winds less
than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 59 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.
$$
TNZ101-220800-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
254 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 89-94 (+1) 72-77 (+1) 85-90
RH % (24h trend) 50-55 (-8) 94-99 (+3) 66-71
RH Recovery Excellent
AM 20FT Wnd (mph) SW 6 SW 6
PM 20FT Wnd (mph) SW 6 S 8 Lgt/Var
Transport Wnd (mph) S 14 S 12 SW 9
Mixing Hgt(ft-agl) 4950 450 3790
Vent Rate (mph-ft) 69300 5400 34110
Max Dispersion Early 51 Gen Good 5 Very Poor 28 Fair
Max Dispersion Late 59 Gen Good 5 Very Poor 32 Fair
Category Day 4 1 3
Max LVORI Early 6 4 5
Max LVORI Late 2 6 4
Precip Chance (%) 0 40 70
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.07 0.23
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
64 percent. North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 60s. Northeast winds less than 10 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. South
winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 70. Southeast winds less than 10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 70 percent. Southwest winds less
than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. South winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows around 70. Light and variable wind.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 59 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.
$$
TNZ082-220800-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
154 AM CDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+2) 69-74 (0) 82-87
RH % (24h trend) 59-64 (-11) 95-100 (+1) 68-73
RH Recovery Excellent
AM 20FT Wnd (mph) SW 6 Lgt/Var
PM 20FT Wnd (mph) SW 6 SW 7 Lgt/Var
Transport Wnd (mph) SW 14 SW 8 W 9
Mixing Hgt(ft-agl) 4240 440 3150
Vent Rate (mph-ft) 59360 3520 28350
Max Dispersion Early 40 Fair 4 Very Poor 26 Fair
Max Dispersion Late 50 Gen Good 4 Very Poor 27 Fair
Category Day 3 1 2
Max LVORI Early 9 6 8
Max LVORI Late 3 8 3
Precip Chance (%) 0 80 70
Precip Type None Tstms Tstms
Precip Duration 3 2
Precip Amount 0.00 0.29 0.15
Precip Begin 8 PM Continuing
Precip End Continuing 8 PM
Chance of Thunder (%) 0 40 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
64 percent. North winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southeast winds less than
10 mph.
.SATURDAY...Partly sunny with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 76 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 68 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 60s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 65 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.
$$
TNZ081-220800-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
154 AM CDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 86-91 (+2) 69-74 (0) 81-86
RH % (24h trend) 60-65 (-10) 95-100 (+2) 72-77
RH Recovery Excellent
AM 20FT Wnd (mph) SW 5 Lgt/Var
PM 20FT Wnd (mph) SW 5 SW 8 Lgt/Var
Transport Wnd (mph) SW 13 SW 9 W 9
Mixing Hgt(ft-agl) 4580 460 3310
Vent Rate (mph-ft) 59540 4140 29790
Max Dispersion Early 38 Fair 5 Very Poor 25 Fair
Max Dispersion Late 52 Gen Good 6 Very Poor 28 Fair
Category Day 4 1 3
Max LVORI Early 8 5 7
Max LVORI Late 3 8 4
Precip Chance (%) 0 60 70
Precip Type None Tstms Tstms
Precip Duration 2 2
Precip Amount 0.00 0.13 0.15
Precip Begin 10 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North
winds less than 10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers. Highs
in the lower 80s. Minimum RH 65 percent. North winds less than
10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southeast winds less than
10 mph.
.SATURDAY...Mostly cloudy with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 76 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 69 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 60s. West winds
less than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 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.
$$
TNZ098-220800-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
154 AM CDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 87-92 (+2) 71-76 (+1) 82-87
RH % (24h trend) 55-60 (-11) 95-100 (+2) 67-72
RH Recovery Excellent
AM 20FT Wnd (mph) Lgt/Var SW 5
PM 20FT Wnd (mph) Lgt/Var SW 8 W 5
Transport Wnd (mph) S 12 SW 8 W 8
Mixing Hgt(ft-agl) 4750 450 3480
Vent Rate (mph-ft) 57000 3600 27840
Max Dispersion Early 33 Fair 4 Very Poor 23 Fair
Max Dispersion Late 47 Gen Good 5 Very Poor 25 Fair
Category Day 3 1 3
Max LVORI Early 7 5 6
Max LVORI Late 3 7 4
Precip Chance (%) 0 50 70
Precip Type None Tstms Tstms
Precip Duration 1 2
Precip Amount 0.00 0.07 0.08
Precip Begin 11 PM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 0 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. North winds less than
10 mph.
.THURSDAY...Mostly sunny with a slight chance of showers. Highs
in the lower 80s. Minimum RH 62 percent. North winds less than
10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. Northeast
winds less than 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southeast winds less than 10 mph.
.SATURDAY...Partly sunny with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 72 percent. Southwest winds
less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. West
winds less than 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 70. West winds less
than 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 61 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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