
Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >
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363
FNUS54 KMRX 201826
FWFMRX
Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
226 PM EDT Wed May 20 2026
.DISCUSSION...
A wet and unsettled weather pattern will continue through the
weekend. Periods of showers and afternoon thunderstorms are
anticipated each day, especially during the afternoon and early
evening hours.
VAZ001-211930-
Lee-
Including the city of Rose Hill
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-3) 74-79 (-10) 58-63 76-81
RH % (24h trend) 95-100 (+14) 70-75 (+26) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 8
PM 20FT Wnd (mph) N 6 E 5 E 7 S 9
Transport Wnd (mph) E 5 SW 5 SE 9 S 14
Mixing Hgt(ft-agl) 400 2620 440 2410
Vent Rate (mph-ft) 2000 13100 3960 33740
Max Dispersion Early 7 Poor 9 Poor 3 Very Poor 27 Fair
Max Dispersion Late 2 Very Poor 12 Poor 4 Very Poor 29 Fair
Category Day 1 1 1 3
Max LVORI Early 7 10 9 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 80 90 40 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 4 6 1 8
Precip Amount 0.20 0.18 0.02 0.17
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 77 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 71 percent. Southwest
winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 69 percent. Southwest
winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. East winds less than
10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 68 percent. Southwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ002-211930-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 58-63 (-4) 69-74 (-12) 57-62 73-78
RH % (24h trend) 95-100 (+19) 75-80 (+30) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 10
PM 20FT Wnd (mph) N 6 NE 6 E 7 S 9
Transport Wnd (mph) NE 5 N 5 SE 7 S 14
Mixing Hgt(ft-agl) 410 2000 450 2280
Vent Rate (mph-ft) 2050 10000 3150 31920
Max Dispersion Early 8 Poor 8 Poor 5 Very Poor 23 Fair
Max Dispersion Late 5 Very Poor 10 Poor 5 Very Poor 27 Fair
Category Day 1 1 1 3
Max LVORI Early 6 9 7 7
Max LVORI Late 9 5 9 4
Precip Chance (%) 90 90 40 90
Precip Type Tstms Tstms Showers Tstms
Precip Duration 4 6 1 5
Precip Amount 0.28 0.23 0.01 0.15
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows around 60. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 76 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 69 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 76 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 70 percent.
Southwest winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...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.
*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.
$$
VAZ005-211930-
Scott VA-
Including the city of Hiltons
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 75-80 (-9) 60-65 76-81
RH % (24h trend) 95-100 (+15) 71-76 (+28) 95-100 71-76
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 8
PM 20FT Wnd (mph) N 6 E 5 E 8 SE 10
Transport Wnd (mph) NE 3 W 5 E 8 S 12
Mixing Hgt(ft-agl) 390 2610 420 2250
Vent Rate (mph-ft) 1170 13050 3360 27000
Max Dispersion Early 6 Very Poor 9 Poor 3 Very Poor 21 Fair
Max Dispersion Late 3 Very Poor 10 Poor 4 Very Poor 22 Fair
Category Day 1 1 1 2
Max LVORI Early 6 9 6 6
Max LVORI Late 9 4 8 4
Precip Chance (%) 80 90 50 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 5 1 5
Precip Amount 0.33 0.16 0.02 0.14
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 77 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...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.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. West winds
less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 68 percent. Southwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ006-211930-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 71-76 (-11) 59-64 73-78
RH % (24h trend) 95-100 (+21) 74-79 (+33) 95-100 67-72
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 13
PM 20FT Wnd (mph) N 7 Lgt/Var E 11 SE 12
Transport Wnd (mph) NE 5 N 5 E 8 S 14
Mixing Hgt(ft-agl) 390 2280 440 2740
Vent Rate (mph-ft) 1950 11400 3520 38360
Max Dispersion Early 9 Poor 9 Poor 4 Very Poor 30 Fair
Max Dispersion Late 5 Very Poor 11 Poor 5 Very Poor 33 Fair
Category Day 1 1 1 3
Max LVORI Early 5 9 6 6
Max LVORI Late 8 4 7 4
Precip Chance (%) 80 90 40 80
Precip Type Tstms Tstms Showers Tstms
Precip Duration 3 4 1 5
Precip Amount 0.29 0.20 0.01 0.07
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 77 percent. South winds 5 to 10 mph.
.SATURDAY 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.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 70 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...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.
*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.
$$
VAZ008-211930-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-2) 74-79 (-9) 57-62 73-78
RH % (24h trend) 95-100 (+22) 70-75 (+28) 95-100 64-69
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 12
PM 20FT Wnd (mph) NW 6 NE 5 E 11 SE 11
Transport Wnd (mph) N 5 W 6 E 7 SE 13
Mixing Hgt(ft-agl) 380 3060 420 2530
Vent Rate (mph-ft) 1900 18360 2940 32890
Max Dispersion Early 6 Very Poor 13 Gen Poor 4 Very Poor 24 Fair
Max Dispersion Late 4 Very Poor 16 Gen Poor 5 Very Poor 29 Fair
Category Day 1 2 1 3
Max LVORI Early 5 9 6 7
Max LVORI Late 9 4 7 3
Precip Chance (%) 60 90 60 70
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 2 2
Precip Amount 0.19 0.30 0.02 0.04
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the upper 50s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 75 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 60. Southeast winds less than 10 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 70 percent. Southwest
winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Southwest winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ018-211930-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 56-61 (-4) 74-79 (-8) 54-59 70-75
RH % (24h trend) 95-100 (+28) 64-69 (+24) 95-100 63-68
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 9
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SE 9 SE 10 G17
Transport Wnd (mph) NW 6 W 6 SE 10 SE 14
Mixing Hgt(ft-agl) 460 2420 490 1870
Vent Rate (mph-ft) 2760 14520 4900 26180
Max Dispersion Early 7 Poor 12 Poor 6 Very Poor 18 Gen Poor
Max Dispersion Late 4 Very Poor 12 Poor 7 Poor 22 Fair
Category Day 1 2 1 2
Max LVORI Early 5 6 6 6
Max LVORI Late 7 4 6 3
Precip Chance (%) 50 100 70 70
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 2 2
Precip Amount 0.07 0.58 0.05 0.02
Precip Begin 8 PM 8 AM Continuing Continuing
Precip End 4 AM Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 50s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 73 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 50s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. South
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 67 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of 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.
$$
TNZ047-211930-
Southeast Carter-
Including the city of Hampton
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 58-63 (-3) 72-77 (-8) 57-62 69-74
RH % (24h trend) 91-96 (+24) 69-74 (+26) 93-98 65-70
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 11
PM 20FT Wnd (mph) S 5 Lgt/Var SE 11 SE 11
Transport Wnd (mph) SW 6 SW 6 SE 12 S 14
Mixing Hgt(ft-agl) 410 2500 450 2100
Vent Rate (mph-ft) 2460 15000 5400 29400
Max Dispersion Early 5 Very Poor 12 Poor 6 Very Poor 21 Fair
Max Dispersion Late 4 Very Poor 14 Gen Poor 8 Poor 26 Fair
Category Day 1 2 1 2
Max LVORI Early 4 6 5 5
Max LVORI Late 6 5 6 4
Precip Chance (%) 40 100 70 70
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 2 3
Precip Amount 0.05 0.59 0.06 0.02
Precip Begin 8 PM 8 AM Continuing Continuing
Precip End 3 AM Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the upper 50s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 76 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 60. Southeast winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 73 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. Southeast winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 75 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. Southeast winds
less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 60. Southeast winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ045-211930-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 61-66 (-2) 73-78 (-8) 60-65 72-77
RH % (24h trend) 89-94 (+22) 67-72 (+24) 92-97 63-68
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 11
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SE 10 SE 12
Transport Wnd (mph) S 5 SW 6 SE 9 S 15
Mixing Hgt(ft-agl) 410 2600 430 2590
Vent Rate (mph-ft) 2050 15600 3870 38850
Max Dispersion Early 6 Very Poor 14 Gen Poor 5 Very Poor 26 Fair
Max Dispersion Late 3 Very Poor 13 Gen Poor 7 Poor 33 Fair
Category Day 1 2 1 3
Max LVORI Early 5 6 6 5
Max LVORI Late 6 4 6 3
Precip Chance (%) 50 100 60 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 5 1 5
Precip Amount 0.05 0.58 0.09 0.02
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 73 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 67 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ043-211930-
Southeast Greene-
Including the city of Cedar Creek
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 61-66 (-2) 72-77 (-9) 60-65 73-78
RH % (24h trend) 93-98 (+25) 65-70 (+23) 91-96 60-65
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 13
PM 20FT Wnd (mph) S 6 NE 5 SE 10 SE 13
Transport Wnd (mph) SE 5 NW 6 SE 8 S 15
Mixing Hgt(ft-agl) 400 2250 410 2310
Vent Rate (mph-ft) 2000 13500 3280 34650
Max Dispersion Early 6 Very Poor 12 Poor 5 Very Poor 28 Fair
Max Dispersion Late 5 Very Poor 11 Poor 7 Poor 28 Fair
Category Day 1 2 1 3
Max LVORI Early 4 6 5 5
Max LVORI Late 6 4 5 3
Precip Chance (%) 70 100 50 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 1 5
Precip Amount 0.07 0.47 0.01 0.03
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 74 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. West winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 67 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ041-211930-
Cocke Smoky Mountains-
Including the city of Hartford
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 62-67 (-2) 73-78 (-8) 61-66 74-79
RH % (24h trend) 93-98 (+24) 70-75 (+25) 93-98 61-66
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 11
PM 20FT Wnd (mph) SW 5 Lgt/Var SE 8 S 11
Transport Wnd (mph) S 5 W 6 SE 9 S 14
Mixing Hgt(ft-agl) 390 2220 390 3040
Vent Rate (mph-ft) 1950 13320 3510 42560
Max Dispersion Early 6 Very Poor 12 Poor 5 Very Poor 33 Fair
Max Dispersion Late 4 Very Poor 10 Poor 7 Poor 38 Fair
Category Day 1 2 1 3
Max LVORI Early 4 6 5 5
Max LVORI Late 6 4 5 3
Precip Chance (%) 70 100 30 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 1 8
Precip Amount 0.07 0.47 0.01 0.08
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. West winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ074-211930-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 60-65 (-2) 71-76 (-7) 59-64 72-77
RH % (24h trend) 95-100 (+23) 66-71 (+19) 95-100 61-66
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SW 5 S 13
PM 20FT Wnd (mph) S 5 Lgt/Var SE 9 S 12
Transport Wnd (mph) S 6 SW 7 S 8 S 15
Mixing Hgt(ft-agl) 420 2180 410 3030
Vent Rate (mph-ft) 2520 15260 3280 45450
Max Dispersion Early 5 Very Poor 13 Gen Poor 4 Very Poor 36 Fair
Max Dispersion Late 3 Very Poor 12 Poor 5 Very Poor 42 Gen Good
Category Day 1 1 1 3
Max LVORI Early 5 6 6 5
Max LVORI Late 6 4 6 3
Precip Chance (%) 70 100 30 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 1 8
Precip Amount 0.13 0.56 0.01 0.15
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 75 percent. South winds 5 to 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 72 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 67 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ072-211930-
Blount Smoky Mountains-
Including the city of Cades Cove
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 63-68 (-2) 76-81 (-8) 62-67 78-83
RH % (24h trend) 95-100 (+25) 64-69 (+19) 94-99 57-62
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 11
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SE 7 S 11
Transport Wnd (mph) SE 6 SW 6 SE 12 S 16
Mixing Hgt(ft-agl) 420 2230 440 3390
Vent Rate (mph-ft) 2520 13380 5280 54240
Max Dispersion Early 4 Very Poor 11 Poor 4 Very Poor 41 Gen Good
Max Dispersion Late 2 Very Poor 11 Poor 5 Very Poor 48 Gen Good
Category Day 1 2 1 3
Max LVORI Early 5 7 6 5
Max LVORI Late 7 4 6 3
Precip Chance (%) 70 90 50 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 1 8
Precip Amount 0.11 0.55 0.02 0.16
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds 5 to 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 69 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 64 percent. Southwest winds less than
10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ087-211930-
Southeast Monroe-
Including the cities of Citico and Coker Creek
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 62-67 (-3) 76-81 (-7) 61-66 76-81
RH % (24h trend) 95-100 (+24) 62-67 (+15) 95-100 58-63
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 11 G18
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SE 6 S 11 G19
Transport Wnd (mph) SE 5 S 7 SE 8 S 18
Mixing Hgt(ft-agl) 430 2530 430 3200
Vent Rate (mph-ft) 2150 17710 3440 57600
Max Dispersion Early 4 Very Poor 15 Gen Poor 4 Very Poor 44 Gen Good
Max Dispersion Late 2 Very Poor 11 Poor 5 Very Poor 50 Gen Good
Category Day 1 2 1 3
Max LVORI Early 6 7 6 6
Max LVORI Late 7 3 6 3
Precip Chance (%) 70 90 70 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 2 5
Precip Amount 0.13 0.39 0.04 0.14
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 65 percent. South winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 62 percent. South
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ102-211930-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 61-66 (-2) 78-83 (-6) 61-66 78-83
RH % (24h trend) 95-100 (+17) 62-67 (+15) 95-100 60-65
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 11
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SE 6 S 12
Transport Wnd (mph) E 6 SW 7 SE 7 S 16
Mixing Hgt(ft-agl) 410 3010 410 3400
Vent Rate (mph-ft) 2460 21070 2870 54400
Max Dispersion Early 5 Very Poor 18 Gen Poor 4 Very Poor 44 Gen Good
Max Dispersion Late 4 Very Poor 18 Gen Poor 4 Very Poor 47 Gen Good
Category Day 1 2 1 3
Max LVORI Early 7 8 7 6
Max LVORI Late 8 3 8 3
Precip Chance (%) 60 80 70 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 2 5
Precip Amount 0.09 0.32 0.08 0.13
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.MONDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
South winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
South winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ060-211930-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 77-82 (-7) 59-64 77-82
RH % (24h trend) 95-100 (+16) 61-66 (+13) 95-100 59-64
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 9
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var SE 11
Transport Wnd (mph) NE 5 SW 7 SE 7 S 15
Mixing Hgt(ft-agl) 420 2930 420 2910
Vent Rate (mph-ft) 2100 20510 2940 43650
Max Dispersion Early 3 Very Poor 16 Gen Poor 3 Very Poor 32 Fair
Max Dispersion Late 2 Very Poor 18 Gen Poor 5 Very Poor 38 Fair
Category Day 1 2 1 3
Max LVORI Early 7 9 7 7
Max LVORI Late 8 3 8 3
Precip Chance (%) 60 90 70 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 2 5
Precip Amount 0.09 0.39 0.08 0.14
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 69 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 69 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. South winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
South winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ061-211930-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-1) 74-79 (-6) 58-63 72-77
RH % (24h trend) 95-100 (+17) 68-73 (+15) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 10
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SE 7 SE 10
Transport Wnd (mph) E 5 S 8 SE 9 S 13
Mixing Hgt(ft-agl) 430 3020 430 2190
Vent Rate (mph-ft) 2150 24160 3870 28470
Max Dispersion Early 2 Very Poor 20 Gen Poor 3 Very Poor 23 Fair
Max Dispersion Late 2 Very Poor 22 Fair 5 Very Poor 23 Fair
Category Day 1 2 1 3
Max LVORI Early 6 8 6 7
Max LVORI Late 7 4 7 4
Precip Chance (%) 50 90 70 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 2 8
Precip Amount 0.06 0.36 0.05 0.13
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 77 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 75 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. East winds less
than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ015-211930-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-3) 76-81 (-10) 58-63 78-83
RH % (24h trend) 95-100 (+13) 68-73 (+27) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var E 5 S 5
Transport Wnd (mph) NE 3 S 5 E 8 S 13
Mixing Hgt(ft-agl) 410 2840 430 2550
Vent Rate (mph-ft) 1230 14200 3440 33150
Max Dispersion Early 9 Poor 10 Poor 3 Very Poor 27 Fair
Max Dispersion Late 2 Very Poor 13 Gen Poor 4 Very Poor 28 Fair
Category Day 1 1 1 3
Max LVORI Early 6 10 7 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 90 80 40 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 4 1 5
Precip Amount 0.16 0.18 0.03 0.16
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 75 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 72 percent. Light and variable wind.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 60s. Light and variable wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ016-211930-
Hawkins-
Including the city of Mooresburg
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-2) 77-82 (-9) 59-64 78-83
RH % (24h trend) 95-100 (+13) 69-74 (+27) 95-100 69-74
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var E 6 S 7
Transport Wnd (mph) NE 3 SW 6 E 8 S 12
Mixing Hgt(ft-agl) 380 2600 410 2350
Vent Rate (mph-ft) 1140 15600 3280 28200
Max Dispersion Early 6 Very Poor 12 Poor 3 Very Poor 25 Fair
Max Dispersion Late 2 Very Poor 12 Poor 4 Very Poor 25 Fair
Category Day 1 2 1 2
Max LVORI Early 6 9 7 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 80 90 50 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 1 8
Precip Amount 0.23 0.17 0.01 0.12
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 76 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 60s. Northwest winds less
than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ017-211930-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 76-81 (-9) 60-65 77-82
RH % (24h trend) 95-100 (+21) 67-72 (+27) 95-100 60-65
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 11
PM 20FT Wnd (mph) Lgt/Var Lgt/Var E 10 SE 11
Transport Wnd (mph) NE 3 W 7 E 7 S 13
Mixing Hgt(ft-agl) 380 3100 410 2750
Vent Rate (mph-ft) 1140 21700 2870 35750
Max Dispersion Early 6 Very Poor 14 Gen Poor 4 Very Poor 21 Fair
Max Dispersion Late 6 Very Poor 17 Gen Poor 4 Very Poor 30 Fair
Category Day 1 2 1 3
Max LVORI Early 5 9 6 6
Max LVORI Late 9 4 7 3
Precip Chance (%) 70 90 60 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 1 5
Precip Amount 0.17 0.29 0.03 0.05
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 72 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
West winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
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.
$$
TNZ046-211930-
Northwest Carter-
Including the city of Elizabethton
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-3) 75-80 (-9) 58-63 74-79
RH % (24h trend) 95-100 (+25) 65-70 (+25) 95-100 59-64
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 10
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SE 10 SE 11
Transport Wnd (mph) E 5 W 5 E 8 S 14
Mixing Hgt(ft-agl) 380 2580 430 2620
Vent Rate (mph-ft) 1900 12900 3440 36680
Max Dispersion Early 6 Very Poor 12 Poor 5 Very Poor 20 Gen Poor
Max Dispersion Late 6 Very Poor 13 Gen Poor 6 Very Poor 30 Fair
Category Day 1 1 1 3
Max LVORI Early 5 7 6 5
Max LVORI Late 8 4 7 3
Precip Chance (%) 60 100 60 70
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 1 3
Precip Amount 0.08 0.38 0.04 0.02
Precip Begin 8 PM 8 AM Continuing Continuing
Precip End 4 AM Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows around 60. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 66 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 69 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs around
80. 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.
$$
TNZ044-211930-
Washington TN-
Including the city of Johnson City
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 61-66 (-2) 76-81 (-9) 60-65 77-82
RH % (24h trend) 95-100 (+25) 64-69 (+24) 95-100 58-63
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 9
PM 20FT Wnd (mph) Lgt/Var Lgt/Var E 7 SE 11
Transport Wnd (mph) E 5 NW 6 SE 8 S 13
Mixing Hgt(ft-agl) 380 2740 420 2690
Vent Rate (mph-ft) 1900 16440 3360 34970
Max Dispersion Early 7 Poor 14 Gen Poor 4 Very Poor 22 Fair
Max Dispersion Late 5 Very Poor 14 Gen Poor 5 Very Poor 29 Fair
Category Day 1 2 1 3
Max LVORI Early 4 7 5 6
Max LVORI Late 7 3 6 3
Precip Chance (%) 60 90 50 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 1 8
Precip Amount 0.12 0.40 0.02 0.03
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 69 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.WEDNESDAY...Showers and a chance of 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.
$$
TNZ042-211930-
Northwest Greene-
Including the city of Greeneville
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 61-66 (-2) 77-82 (-9) 60-65 78-83
RH % (24h trend) 95-100 (+22) 65-70 (+24) 95-100 62-67
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 9
PM 20FT Wnd (mph) SW 5 E 5 E 7 S 8
Transport Wnd (mph) NE 3 W 7 E 8 S 12
Mixing Hgt(ft-agl) 360 2660 400 2330
Vent Rate (mph-ft) 1080 18620 3200 27960
Max Dispersion Early 6 Very Poor 16 Gen Poor 3 Very Poor 27 Fair
Max Dispersion Late 4 Very Poor 12 Poor 4 Very Poor 24 Fair
Category Day 1 2 1 2
Max LVORI Early 5 8 6 6
Max LVORI Late 8 4 7 3
Precip Chance (%) 70 90 50 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 1 8
Precip Amount 0.16 0.34 0.02 0.07
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 71 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
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.
$$
TNZ038-211930-
Grainger-
Including the city of Bean Station
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 77-82 (-9) 60-65 79-84
RH % (24h trend) 95-100 (+14) 69-74 (+27) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var E 6 Lgt/Var
Transport Wnd (mph) E 5 SW 6 E 8 S 13
Mixing Hgt(ft-agl) 390 2700 390 3230
Vent Rate (mph-ft) 1950 16200 3120 41990
Max Dispersion Early 7 Poor 10 Poor 4 Very Poor 29 Fair
Max Dispersion Late 2 Very Poor 14 Gen Poor 3 Very Poor 35 Fair
Category Day 1 2 1 3
Max LVORI Early 6 9 7 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 80 90 50 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 3 1 5
Precip Amount 0.18 0.25 0.02 0.22
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 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 lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Light and variable wind.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 60s. Light and variable wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ039-211930-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 78-83 (-8) 60-65 79-84
RH % (24h trend) 95-100 (+11) 69-74 (+26) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) E 5 W 6 E 8 S 12
Mixing Hgt(ft-agl) 410 2450 410 2910
Vent Rate (mph-ft) 2050 14700 3280 34920
Max Dispersion Early 7 Poor 12 Poor 3 Very Poor 28 Fair
Max Dispersion Late 3 Very Poor 12 Poor 4 Very Poor 29 Fair
Category Day 1 2 1 3
Max LVORI Early 6 9 6 8
Max LVORI Late 10 4 9 4
Precip Chance (%) 80 100 40 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 4 1 5
Precip Amount 0.12 0.26 0.02 0.17
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 76 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 60s. Light and variable wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ040-211930-
Northwest Cocke-
Including the cities of Bybee and Newport
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 63-68 (-2) 77-82 (-8) 62-67 79-84
RH % (24h trend) 95-100 (+22) 69-74 (+25) 95-100 62-67
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 10
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 8
Transport Wnd (mph) NE 3 W 6 E 7 S 12
Mixing Hgt(ft-agl) 400 2340 380 2920
Vent Rate (mph-ft) 1200 14040 2660 35040
Max Dispersion Early 6 Very Poor 13 Gen Poor 3 Very Poor 28 Fair
Max Dispersion Late 4 Very Poor 10 Poor 5 Very Poor 29 Fair
Category Day 1 2 1 3
Max LVORI Early 5 8 5 6
Max LVORI Late 7 4 6 3
Precip Chance (%) 80 100 40 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 1 8
Precip Amount 0.16 0.41 0.02 0.12
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...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
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
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.
$$
TNZ070-211930-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 63-68 (-2) 77-82 (-9) 62-67 79-84
RH % (24h trend) 95-100 (+16) 70-75 (+25) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 8 W 5 E 6 S 12
Mixing Hgt(ft-agl) 420 2360 350 3140
Vent Rate (mph-ft) 3360 11800 2100 37680
Max Dispersion Early 6 Very Poor 12 Poor 3 Very Poor 26 Fair
Max Dispersion Late 4 Very Poor 11 Poor 3 Very Poor 32 Fair
Category Day 1 1 1 3
Max LVORI Early 6 9 6 9
Max LVORI Late 8 4 9 4
Precip Chance (%) 80 90 40 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 4 1 5
Precip Amount 0.15 0.37 0.04 0.18
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. West winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light and
variable wind.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Light and variable
wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ035-211930-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-3) 76-81 (-7) 58-63 77-82
RH % (24h trend) 95-100 (+11) 68-73 (+14) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 10
PM 20FT Wnd (mph) Lgt/Var Lgt/Var E 5 S 10
Transport Wnd (mph) E 5 S 7 SE 7 S 16
Mixing Hgt(ft-agl) 450 2500 420 2810
Vent Rate (mph-ft) 2250 17500 2940 44960
Max Dispersion Early 6 Very Poor 13 Gen Poor 3 Very Poor 35 Fair
Max Dispersion Late 2 Very Poor 16 Gen Poor 3 Very Poor 40 Fair
Category Day 1 2 1 3
Max LVORI Early 7 10 7 8
Max LVORI Late 10 4 9 4
Precip Chance (%) 70 90 60 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 2 8
Precip Amount 0.19 0.26 0.06 0.32
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 78 percent. South winds 5 to 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 76 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...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.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
South winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ012-211930-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-4) 74-79 (-8) 59-64 77-82
RH % (24h trend) 95-100 (+17) 67-72 (+13) 95-100 66-71
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 9
PM 20FT Wnd (mph) Lgt/Var Lgt/Var E 5 S 9
Transport Wnd (mph) E 5 E 7 SE 7 S 18
Mixing Hgt(ft-agl) 440 2470 440 2790
Vent Rate (mph-ft) 2200 17290 3080 50220
Max Dispersion Early 9 Poor 12 Poor 4 Very Poor 36 Fair
Max Dispersion Late 3 Very Poor 17 Gen Poor 3 Very Poor 42 Gen Good
Category Day 1 2 1 3
Max LVORI Early 7 8 6 6
Max LVORI Late 9 4 9 3
Precip Chance (%) 80 80 50 90
Precip Type Tstms Tstms Showers Tstms
Precip Duration 3 4 1 8
Precip Amount 0.26 0.35 0.03 0.35
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 30 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 71 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ013-211930-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-3) 73-78 (-8) 60-65 76-81
RH % (24h trend) 95-100 (+19) 73-78 (+21) 95-100 73-78
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 8
PM 20FT Wnd (mph) Lgt/Var Lgt/Var E 5 S 9
Transport Wnd (mph) NE 5 SE 7 SE 7 S 18
Mixing Hgt(ft-agl) 430 2360 400 3320
Vent Rate (mph-ft) 2150 16520 2800 59760
Max Dispersion Early 9 Poor 11 Poor 3 Very Poor 43 Gen Good
Max Dispersion Late 3 Very Poor 13 Gen Poor 3 Very Poor 54 Gen Good
Category Day 1 2 1 4
Max LVORI Early 6 8 6 7
Max LVORI Late 8 4 8 4
Precip Chance (%) 80 90 50 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 1 8
Precip Amount 0.30 0.29 0.12 0.26
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 30 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds 5 to 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 79 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 72 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 69 percent. South
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ014-211930-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-2) 76-81 (-9) 59-64 78-83
RH % (24h trend) 95-100 (+14) 68-73 (+24) 95-100 69-74
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SE 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 6
Transport Wnd (mph) NE 5 S 6 E 8 S 14
Mixing Hgt(ft-agl) 440 2540 420 3110
Vent Rate (mph-ft) 2200 15240 3360 43540
Max Dispersion Early 9 Poor 10 Poor 3 Very Poor 33 Fair
Max Dispersion Late 2 Very Poor 13 Gen Poor 3 Very Poor 39 Fair
Category Day 1 2 1 3
Max LVORI Early 7 9 8 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 90 90 50 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 4 3 1 8
Precip Amount 0.28 0.23 0.07 0.23
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 75 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ037-211930-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-3) 77-82 (-8) 60-65 79-84
RH % (24h trend) 95-100 (+18) 70-75 (+26) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 5
Transport Wnd (mph) E 5 S 6 E 6 S 15
Mixing Hgt(ft-agl) 420 2760 370 3420
Vent Rate (mph-ft) 2100 16560 2220 51300
Max Dispersion Early 10 Poor 11 Poor 6 Very Poor 38 Fair
Max Dispersion Late 2 Very Poor 14 Gen Poor 3 Very Poor 45 Gen Good
Category Day 1 2 1 3
Max LVORI Early 6 8 6 8
Max LVORI Late 8 4 9 4
Precip Chance (%) 80 90 50 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 4 1 8
Precip Amount 0.32 0.22 0.11 0.24
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 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 lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 74 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
Southwest winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ036-211930-
Anderson-
Including the cities of Oak Ridge and Clinton
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-3) 76-81 (-7) 60-65 77-82
RH % (24h trend) 95-100 (+17) 69-74 (+20) 95-100 71-76
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 8
PM 20FT Wnd (mph) Lgt/Var Lgt/Var NE 5 S 8
Transport Wnd (mph) N 7 S 6 E 5 S 16
Mixing Hgt(ft-agl) 430 2960 370 3020
Vent Rate (mph-ft) 3010 17760 1850 48320
Max Dispersion Early 6 Very Poor 11 Poor 4 Very Poor 35 Fair
Max Dispersion Late 2 Very Poor 16 Gen Poor 3 Very Poor 42 Gen Good
Category Day 1 2 1 3
Max LVORI Early 6 8 6 8
Max LVORI Late 8 4 9 4
Precip Chance (%) 80 90 60 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 2 8
Precip Amount 0.20 0.20 0.04 0.30
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds 5 to 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 82 percent. Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 77 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.MONDAY...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.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 72 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southwest
winds less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ069-211930-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 63-68 (-2) 78-83 (-8) 61-66 79-84
RH % (24h trend) 95-100 (+20) 68-73 (+23) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Transport Wnd (mph) NE 5 SW 6 E 3 S 14
Mixing Hgt(ft-agl) 410 2850 370 3050
Vent Rate (mph-ft) 2050 17100 1110 42700
Max Dispersion Early 7 Poor 12 Poor 4 Very Poor 30 Fair
Max Dispersion Late 3 Very Poor 16 Gen Poor 2 Very Poor 38 Fair
Category Day 1 2 1 3
Max LVORI Early 6 8 7 9
Max LVORI Late 8 4 9 4
Precip Chance (%) 70 90 40 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 1 8
Precip Amount 0.22 0.32 0.03 0.24
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 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 lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ073-211930-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 63-68 (-2) 77-82 (-9) 62-67 80-85
RH % (24h trend) 95-100 (+22) 67-72 (+23) 95-100 63-68
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 6
PM 20FT Wnd (mph) SW 5 Lgt/Var Lgt/Var S 6
Transport Wnd (mph) E 5 W 5 SE 6 SW 13
Mixing Hgt(ft-agl) 410 2090 360 3380
Vent Rate (mph-ft) 2050 10450 2160 43940
Max Dispersion Early 6 Very Poor 9 Poor 3 Very Poor 28 Fair
Max Dispersion Late 4 Very Poor 10 Poor 2 Very Poor 35 Fair
Category Day 1 1 1 3
Max LVORI Early 5 7 6 7
Max LVORI Late 7 4 7 3
Precip Chance (%) 80 90 30 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 1 8
Precip Amount 0.18 0.54 0.01 0.17
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 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 mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
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.
$$
TNZ067-211930-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 79-84 (-7) 60-65 80-85
RH % (24h trend) 95-100 (+11) 69-74 (+20) 95-100 73-78
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 7
Transport Wnd (mph) NE 6 S 7 SE 5 S 16
Mixing Hgt(ft-agl) 420 3130 380 3060
Vent Rate (mph-ft) 2520 21910 1900 48960
Max Dispersion Early 4 Very Poor 12 Poor 4 Very Poor 39 Fair
Max Dispersion Late 3 Very Poor 18 Gen Poor 2 Very Poor 43 Gen Good
Category Day 1 2 1 3
Max LVORI Early 8 9 8 9
Max LVORI Late 10 4 10 4
Precip Chance (%) 70 80 70 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 2 8
Precip Amount 0.10 0.21 0.06 0.35
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 82 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 76 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 77 percent.
Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ068-211930-
Loudon-
Including the cities of Lenoir City and Loudon
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 79-84 (-8) 61-66 80-85
RH % (24h trend) 95-100 (+15) 70-75 (+22) 95-100 71-76
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 7
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 8
Transport Wnd (mph) NE 6 SW 6 SE 5 S 17
Mixing Hgt(ft-agl) 410 2870 390 3090
Vent Rate (mph-ft) 2460 17220 1950 52530
Max Dispersion Early 5 Very Poor 13 Gen Poor 3 Very Poor 34 Fair
Max Dispersion Late 4 Very Poor 17 Gen Poor 2 Very Poor 44 Gen Good
Category Day 1 2 1 3
Max LVORI Early 7 9 8 10
Max LVORI Late 10 4 10 4
Precip Chance (%) 70 80 60 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 2 8
Precip Amount 0.14 0.32 0.04 0.27
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 80 percent. Southwest winds 5 to 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Light and variable wind.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ071-211930-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 63-68 (-3) 78-83 (-8) 63-68 80-85
RH % (24h trend) 95-100 (+23) 70-75 (+23) 95-100 66-71
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 5
PM 20FT Wnd (mph) NE 5 Lgt/Var Lgt/Var S 7
Transport Wnd (mph) NE 5 SW 6 SE 6 SW 15
Mixing Hgt(ft-agl) 410 2520 390 3580
Vent Rate (mph-ft) 2050 15120 2340 53700
Max Dispersion Early 5 Very Poor 10 Poor 2 Very Poor 37 Fair
Max Dispersion Late 4 Very Poor 13 Gen Poor 2 Very Poor 48 Gen Good
Category Day 1 2 1 3
Max LVORI Early 6 8 7 8
Max LVORI Late 7 4 8 4
Precip Chance (%) 70 90 50 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 1 8
Precip Amount 0.16 0.45 0.02 0.20
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 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 mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ086-211930-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 62-67 (-3) 79-84 (-8) 62-67 80-85
RH % (24h trend) 95-100 (+20) 67-72 (+20) 95-100 64-69
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 7
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 8
Transport Wnd (mph) NE 6 SW 6 SE 7 S 18
Mixing Hgt(ft-agl) 410 2600 400 3480
Vent Rate (mph-ft) 2460 15600 2800 62640
Max Dispersion Early 6 Very Poor 13 Gen Poor 2 Very Poor 51 Gen Good
Max Dispersion Late 4 Very Poor 14 Gen Poor 3 Very Poor 58 Gen Good
Category Day 1 2 1 4
Max LVORI Early 7 9 7 9
Max LVORI Late 9 4 8 3
Precip Chance (%) 60 80 70 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 2 5
Precip Amount 0.08 0.43 0.04 0.16
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 76 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ083-211930-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 78-83 (-6) 60-65 78-83
RH % (24h trend) 95-100 (+10) 71-76 (+15) 95-100 75-80
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 9
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 9
Transport Wnd (mph) NE 5 S 6 E 6 S 18
Mixing Hgt(ft-agl) 410 3240 400 3560
Vent Rate (mph-ft) 2050 19440 2400 64080
Max Dispersion Early 5 Very Poor 12 Poor 3 Very Poor 51 Gen Good
Max Dispersion Late 2 Very Poor 17 Gen Poor 3 Very Poor 57 Gen Good
Category Day 1 2 1 4
Max LVORI Early 8 9 8 9
Max LVORI Late 10 4 10 5
Precip Chance (%) 70 80 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 5 5
Precip Amount 0.04 0.18 0.15 0.34
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 86 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 80 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 81 percent. South
winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 75 percent.
South winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
South winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ084-211930-
Meigs-
Including the city of Big Spring
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 80-85 (-6) 60-65 80-85
RH % (24h trend) 95-100 (+12) 67-72 (+17) 95-100 71-76
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 8
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 9
Transport Wnd (mph) NE 5 S 6 SE 5 S 18
Mixing Hgt(ft-agl) 410 3550 400 3720
Vent Rate (mph-ft) 2050 21300 2000 66960
Max Dispersion Early 6 Very Poor 14 Gen Poor 3 Very Poor 53 Gen Good
Max Dispersion Late 3 Very Poor 19 Gen Poor 2 Very Poor 59 Gen Good
Category Day 1 2 1 4
Max LVORI Early 8 9 8 9
Max LVORI Late 9 4 10 4
Precip Chance (%) 60 80 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 5 5
Precip Amount 0.03 0.18 0.08 0.32
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 81 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 75 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. South
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ085-211930-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 80-85 (-7) 60-65 80-85
RH % (24h trend) 95-100 (+14) 66-71 (+20) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 8
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 9
Transport Wnd (mph) NE 6 S 7 SE 7 S 18
Mixing Hgt(ft-agl) 390 3640 380 3820
Vent Rate (mph-ft) 2340 25480 2660 68760
Max Dispersion Early 6 Very Poor 15 Gen Poor 3 Very Poor 60 Gen Good
Max Dispersion Late 5 Very Poor 21 Fair 3 Very Poor 62 Good
Category Day 1 2 1 4
Max LVORI Early 8 9 8 9
Max LVORI Late 10 3 10 4
Precip Chance (%) 60 70 70 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 2 5
Precip Amount 0.05 0.22 0.04 0.22
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 79 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 73 percent.
Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ099-211930-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 63-68 (-2) 79-84 (-6) 62-67 79-84
RH % (24h trend) 95-100 (+14) 67-72 (+12) 95-100 69-74
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 10
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 10 G17
Transport Wnd (mph) NE 5 SW 7 SE 7 S 17
Mixing Hgt(ft-agl) 420 3360 410 3500
Vent Rate (mph-ft) 2100 23520 2870 59500
Max Dispersion Early 3 Very Poor 13 Gen Poor 2 Very Poor 49 Gen Good
Max Dispersion Late 3 Very Poor 20 Gen Poor 3 Very Poor 52 Gen Good
Category Day 1 2 1 4
Max LVORI Early 7 8 7 6
Max LVORI Late 8 4 8 4
Precip Chance (%) 60 70 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 5 5
Precip Amount 0.04 0.17 0.13 0.27
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 81 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 76 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 74 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
South winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
South winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ100-211930-
Bradley-
Including the cities of Cleveland and Tasso
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 62-67 (-2) 80-85 (-6) 61-66 80-85
RH % (24h trend) 95-100 (+16) 65-70 (+17) 95-100 65-70
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 10 G17
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 10 G18
Transport Wnd (mph) NE 5 S 7 SE 5 S 18
Mixing Hgt(ft-agl) 410 3920 390 3870
Vent Rate (mph-ft) 2050 27440 1950 69660
Max Dispersion Early 3 Very Poor 16 Gen Poor 2 Very Poor 62 Good
Max Dispersion Late 4 Very Poor 24 Fair 2 Very Poor 62 Good
Category Day 1 2 1 4
Max LVORI Early 8 9 8 8
Max LVORI Late 10 3 10 4
Precip Chance (%) 60 60 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 5 5
Precip Amount 0.04 0.15 0.07 0.15
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 77 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
South winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
South winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ101-211930-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
226 PM EDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 63-68 (-2) 80-85 (-6) 62-67 80-85
RH % (24h trend) 95-100 (+19) 62-67 (+17) 95-100 61-66
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 9
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 10
Transport Wnd (mph) E 5 S 7 SE 8 S 16
Mixing Hgt(ft-agl) 410 3490 400 3920
Vent Rate (mph-ft) 2050 24430 3200 62720
Max Dispersion Early 3 Very Poor 17 Gen Poor 3 Very Poor 55 Gen Good
Max Dispersion Late 5 Very Poor 22 Fair 3 Very Poor 57 Gen Good
Category Day 1 2 1 4
Max LVORI Early 6 8 6 6
Max LVORI Late 7 3 8 3
Precip Chance (%) 60 70 70 80
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 2 5
Precip Amount 0.11 0.18 0.04 0.09
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 50 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Light and variable wind.
.MONDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Light and variable wind.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light and
variable wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ082-211930-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
126 PM CDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-3) 75-80 (-6) 60-65 76-81
RH % (24h trend) 95-100 (+12) 74-79 (+14) 95-100 72-77
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 9 G17
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 9 G17
Transport Wnd (mph) NE 5 SW 8 E 8 S 18
Mixing Hgt(ft-agl) 420 2750 420 3420
Vent Rate (mph-ft) 2100 22000 3360 61560
Max Dispersion Early 4 Very Poor 13 Gen Poor 3 Very Poor 48 Gen Good
Max Dispersion Late 2 Very Poor 19 Gen Poor 4 Very Poor 55 Gen Good
Category Day 1 2 1 4
Max LVORI Early 8 9 7 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 70 70 70 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 2 5
Precip Amount 0.08 0.20 0.16 0.37
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 83 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 79 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 73 percent. South
winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
South winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ081-211930-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
126 PM CDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-3) 75-80 (-6) 60-65 76-81
RH % (24h trend) 95-100 (+15) 75-80 (+13) 95-100 76-81
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 8 G17
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 8 G17
Transport Wnd (mph) NE 5 SW 8 SE 7 S 17
Mixing Hgt(ft-agl) 410 2930 420 3300
Vent Rate (mph-ft) 2050 23440 2940 56100
Max Dispersion Early 3 Very Poor 15 Gen Poor 3 Very Poor 40 Fair
Max Dispersion Late 3 Very Poor 20 Gen Poor 4 Very Poor 50 Gen Good
Category Day 1 2 1 4
Max LVORI Early 7 9 7 8
Max LVORI Late 7 4 7 4
Precip Chance (%) 70 70 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 5 5
Precip Amount 0.11 0.13 0.21 0.39
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 40 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 84 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 81 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 80 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 76 percent.
South winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 72 percent. South
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ098-211930-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
126 PM CDT Wed May 20 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 62-67 (-3) 77-82 (-4) 62-67 77-82
RH % (24h trend) 95-100 (+14) 67-72 (+5) 95-100 69-74
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 8
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var S 8
Transport Wnd (mph) E 5 SW 7 SE 8 S 15
Mixing Hgt(ft-agl) 420 3190 400 3390
Vent Rate (mph-ft) 2100 22330 3200 50850
Max Dispersion Early 3 Very Poor 14 Gen Poor 3 Very Poor 39 Fair
Max Dispersion Late 3 Very Poor 19 Gen Poor 3 Very Poor 44 Gen Good
Category Day 1 2 1 3
Max LVORI Early 6 7 6 7
Max LVORI Late 7 4 7 4
Precip Chance (%) 70 70 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 5 5
Precip Amount 0.11 0.09 0.27 0.46
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 30 30 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds less than 10 mph.
.SATURDAY 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.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 74 percent.
South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 70 percent. South
winds less than 10 mph.
.TUESDAY 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.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
South winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
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