Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >
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045
FNUS54 KMRX 180712
FWFMRX
Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
312 AM EDT Thu Jun 18 2026
.DISCUSSION...
Scattered showers and storms expected at times today into tonight
before decreasing early tomorrow. Isolated flooding is possible.
Dry weather with lower humidity later tomorrow into Saturday.
Additional rain chances return Sunday into Monday.
VAZ001-190815-
Lee-
Including the city of Rose Hill
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 81-86 (-1) 62-67 (-5) 78-83
RH % (24h trend) 67-72 (+27) 95-100 (+3) 44-49
RH Recovery Excellent
AM 20FT Wnd (mph) SW 20 NW 7
PM 20FT Wnd (mph) SW 11 SW 10 NW 8
Transport Wnd (mph) SW 22 W 6 NW 15
Mixing Hgt(ft-agl) 3580 440 5530
Vent Rate (mph-ft) 78760 2640 82950
Max Dispersion Early 69 Good 7 Poor 50 Gen Good
Max Dispersion Late 69 Good 3 Very Poor 71 Good
Category Day 4 1 4
Max LVORI Early 5 9 8
Max LVORI Late 4 10 2
Precip Chance (%) 90 90 0
Precip Type Tstms Tstms None
Precip Duration 3 5
Precip Amount 0.20 0.36 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Minimum RH 42 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers. Highs
around 80. Minimum RH 53 percent. Northwest winds less than
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 52 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ002-190815-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mclear
Temp (24h trend) 79-84 (-1) 60-65 (-5) 75-80
RH % (24h trend) 65-70 (+24) 95-100 (+4) 46-51
RH Recovery Excellent
AM 20FT Wnd (mph) SW 27 NW 8
PM 20FT Wnd (mph) SW 13 SW 11 NW 10
Transport Wnd (mph) SW 25 W 8 NW 16
Mixing Hgt(ft-agl) 4040 460 5700
Vent Rate (mph-ft) 101000 3680 91200
Max Dispersion Early 76 Good 12 Poor 50 Gen Good
Max Dispersion Late 90 Good 7 Poor 79 Good
Category Day 4 1 4
Max LVORI Early 4 9 8
Max LVORI Late 4 9 2
Precip Chance (%) 80 90 0
Precip Type Tstms Tstms None
Precip Duration 3 6
Precip Amount 0.21 0.40 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 70 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs around 80. Minimum RH 43 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 51 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 5 to 15 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 78 percent. West winds 5 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 70s. Minimum RH 54 percent. North winds less than
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ005-190815-
Scott VA-
Including the city of Hiltons
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 83-88 (+1) 64-69 (-2) 78-83
RH % (24h trend) 65-70 (+25) 95-100 (+6) 44-49
RH Recovery Excellent
AM 20FT Wnd (mph) SW 23 NW 8
PM 20FT Wnd (mph) SW 14 G22 SW 11 NW 10
Transport Wnd (mph) SW 25 W 6 NW 15
Mixing Hgt(ft-agl) 4060 420 6160
Vent Rate (mph-ft) 101500 2520 92400
Max Dispersion Early 71 Good 8 Poor 51 Gen Good
Max Dispersion Late 90 Good 3 Very Poor 80 Good
Category Day 4 1 4
Max LVORI Early 5 7 8
Max LVORI Late 3 9 2
Precip Chance (%) 80 90 20
Precip Type Tstms Tstms None
Precip Duration 2 5
Precip Amount 0.14 0.24 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 10 AM
Chance of Thunder (%) 70 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Minimum RH 44 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers. Highs
around 80. Minimum RH 55 percent. Northwest winds less than
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ006-190815-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 80-85 (+1) 62-67 (-3) 74-79
RH % (24h trend) 65-70 (+24) 95-100 (+7) 47-52
RH Recovery Excellent
AM 20FT Wnd (mph) SW 28 NW 10
PM 20FT Wnd (mph) SW 14 G22 SW 13 NW 11
Transport Wnd (mph) SW 26 W 8 NW 16
Mixing Hgt(ft-agl) 4050 460 6090
Vent Rate (mph-ft) 105300 3680 97440
Max Dispersion Early 72 Good 7 Poor 52 Gen Good
Max Dispersion Late 93 Good 6 Very Poor 87 Good
Category Day 4 1 4
Max LVORI Early 4 7 8
Max LVORI Late 4 9 2
Precip Chance (%) 80 90 20
Precip Type Tstms Tstms Tstms
Precip Duration 2 5 1
Precip Amount 0.20 0.32 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 10 AM
Chance of Thunder (%) 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the upper 70s. Minimum RH 44 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. East winds less
than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 49 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 5 to 15 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 82 percent. West winds 5 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northwest winds
5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 70s. Minimum RH
58 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 55 percent.
Northwest winds less than 10 mph.
*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.
$$
VAZ008-190815-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 82-87 (+2) 62-67 (-1) 76-81
RH % (24h trend) 60-65 (+20) 95-100 (+10) 45-50
RH Recovery Excellent
AM 20FT Wnd (mph) SW 27 NW 10
PM 20FT Wnd (mph) SW 16 SW 12 NW 11
Transport Wnd (mph) SW 26 W 8 W 16
Mixing Hgt(ft-agl) 4220 450 6340
Vent Rate (mph-ft) 109720 3600 101440
Max Dispersion Early 76 Good 13 Gen Poor 52 Gen Good
Max Dispersion Late 97 Good 6 Very Poor 92 Good
Category Day 4 1 4
Max LVORI Early 4 7 8
Max LVORI Late 3 9 2
Precip Chance (%) 80 90 30
Precip Type Tstms Tstms Tstms
Precip Duration 2 5 1
Precip Amount 0.11 0.28 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 12 PM
Chance of Thunder (%) 70 30 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs around 80. Minimum RH 44 percent. West
winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 48 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 5 to 15 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 78 percent. West winds 10 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. West winds 5 to
10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 70s. Minimum RH
54 percent. Northwest winds 5 to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 52 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ018-190815-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 82-87 (+2) 61-66 (-1) 76-81
RH % (24h trend) 51-56 (+16) 95-100 (+10) 44-49
RH Recovery Excellent
AM 20FT Wnd (mph) W 17 G28 NW 9
PM 20FT Wnd (mph) W 12 G22 SW 9 NW 10
Transport Wnd (mph) W 25 W 9 NW 17
Mixing Hgt(ft-agl) 4320 550 5930
Vent Rate (mph-ft) 108000 4950 100810
Max Dispersion Early 83 Good 15 Gen Poor 43 Gen Good
Max Dispersion Late 95 Good 8 Poor 91 Good
Category Day 4 1 4
Max LVORI Early 4 6 8
Max LVORI Late 3 8 1
Precip Chance (%) 90 90 50
Precip Type Tstms Tstms Tstms
Precip Duration 3 4 1
Precip Amount 0.32 0.32 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Chance of Thunder (%) 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs around 80. Minimum RH 39 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 44 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 70s. Minimum RH
50 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 49 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ047-190815-
Southeast Carter-
Including the city of Hampton
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 81-86 (+3) 61-66 (0) 73-78
RH % (24h trend) 53-58 (+14) 95-100 (+9) 49-54
RH Recovery Excellent
AM 20FT Wnd (mph) W 16 G25 NW 11
PM 20FT Wnd (mph) W 12 G20 SW 8 NW 12
Transport Wnd (mph) W 23 W 8 W 18
Mixing Hgt(ft-agl) 4430 480 5540
Vent Rate (mph-ft) 101890 3840 99720
Max Dispersion Early 85 Good 12 Poor 39 Fair
Max Dispersion Late 88 Good 7 Poor 90 Good
Category Day 4 1 4
Max LVORI Early 4 6 7
Max LVORI Late 3 8 2
Precip Chance (%) 90 90 50
Precip Type Tstms Tstms Tstms
Precip Duration 4 4 1
Precip Amount 0.40 0.22 0.02
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing 3 PM
Chance of Thunder (%) 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds 5 to 10 mph.
.SATURDAY...Sunny. Highs in the upper 70s. Minimum RH 43 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 49 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 78 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. West winds 5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 70s. Minimum RH
57 percent. Northwest winds 5 to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 55 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ045-190815-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 81-86 (+2) 62-67 (-1) 73-78
RH % (24h trend) 55-60 (+16) 95-100 (+12) 50-55
RH Recovery Excellent
AM 20FT Wnd (mph) W 15 G25 NW 9
PM 20FT Wnd (mph) W 11 G20 S 8 NW 11
Transport Wnd (mph) W 22 W 7 NW 16
Mixing Hgt(ft-agl) 4140 480 5250
Vent Rate (mph-ft) 91080 3360 84000
Max Dispersion Early 81 Good 11 Poor 38 Fair
Max Dispersion Late 75 Good 5 Very Poor 80 Good
Category Day 4 1 4
Max LVORI Early 4 6 7
Max LVORI Late 4 9 2
Precip Chance (%) 90 90 50
Precip Type Tstms Tstms Tstms
Precip Duration 3 5 1
Precip Amount 0.35 0.22 0.02
Precip Begin 11 AM Continuing Continuing
Precip End Continuing Continuing 3 PM
Chance of Thunder (%) 60 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the upper 70s. Minimum RH 44 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Partly 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 mid
70s. Minimum RH 80 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 70s. Minimum RH
60 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows around 60. Southwest winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 57 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ043-190815-
Southeast Greene-
Including the city of Cedar Creek
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 81-86 (+2) 62-67 (-2) 74-79
RH % (24h trend) 51-56 (+13) 95-100 (+13) 47-52
RH Recovery Excellent
AM 20FT Wnd (mph) SW 16 G28 NW 9
PM 20FT Wnd (mph) W 11 G21 S 8 NW 11
Transport Wnd (mph) W 20 S 7 W 16
Mixing Hgt(ft-agl) 4110 440 5510
Vent Rate (mph-ft) 82200 3080 88160
Max Dispersion Early 74 Good 4 Very Poor 42 Gen Good
Max Dispersion Late 62 Good 4 Very Poor 76 Good
Category Day 4 1 4
Max LVORI Early 4 6 7
Max LVORI Late 3 8 2
Precip Chance (%) 90 90 60
Precip Type Tstms Tstms Tstms
Precip Duration 3 4 1
Precip Amount 0.37 0.19 0.05
Precip Begin 11 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Chance of Thunder (%) 60 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the upper 70s. Minimum RH 43 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
Southwest 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
upper 70s. Minimum RH 76 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. West winds 5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 70s. Minimum RH
60 percent. Northwest winds 5 to 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 50s. South winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 55 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ041-190815-
Cocke Smoky Mountains-
Including the city of Hartford
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 82-87 (+2) 64-69 (-2) 75-80
RH % (24h trend) 51-56 (+11) 95-100 (+15) 50-55
RH Recovery Excellent
AM 20FT Wnd (mph) W 23 W 10
PM 20FT Wnd (mph) W 14 S 11 NW 11
Transport Wnd (mph) W 21 S 5 W 15
Mixing Hgt(ft-agl) 4270 420 5200
Vent Rate (mph-ft) 89670 2100 78000
Max Dispersion Early 76 Good 4 Very Poor 38 Fair
Max Dispersion Late 64 Good 3 Very Poor 69 Good
Category Day 4 1 4
Max LVORI Early 4 6 7
Max LVORI Late 4 7 2
Precip Chance (%) 80 80 50
Precip Type Tstms Tstms Tstms
Precip Duration 2 3 1
Precip Amount 0.29 0.15 0.05
Precip Begin 11 AM Continuing Continuing
Precip End Continuing Continuing 3 PM
Chance of Thunder (%) 60 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. West winds less
than 10 mph.
.SATURDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
43 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 53 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. South winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 77 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. West winds 5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 70s. Minimum RH
61 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. West winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 57 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ074-190815-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 77-82 (0) 62-67 (-2) 72-77
RH % (24h trend) 58-63 (+17) 95-100 (+12) 51-56
RH Recovery Excellent
AM 20FT Wnd (mph) SW 22 G32 NW 11
PM 20FT Wnd (mph) SW 13 G21 S 12 NW 11
Transport Wnd (mph) SW 20 S 8 NW 15
Mixing Hgt(ft-agl) 3500 460 4800
Vent Rate (mph-ft) 70000 3680 72000
Max Dispersion Early 63 Good 14 Gen Poor 29 Fair
Max Dispersion Late 61 Good 4 Very Poor 61 Good
Category Day 4 1 4
Max LVORI Early 4 5 7
Max LVORI Late 3 7 2
Precip Chance (%) 80 80 50
Precip Type Tstms Tstms Tstms
Precip Duration 3 3 1
Precip Amount 0.24 0.16 0.06
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing 3 PM
Chance of Thunder (%) 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
45 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Southeast winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 58 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 82 percent. Southwest winds 5 to 15 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. West winds 5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 70s. Minimum RH 63 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows around 60. North winds less
than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 70s. Minimum RH 60 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ072-190815-
Blount Smoky Mountains-
Including the city of Cades Cove
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 81-86 (-1) 65-70 (-3) 78-83
RH % (24h trend) 61-66 (+21) 95-100 (+11) 51-56
RH Recovery Excellent
AM 20FT Wnd (mph) SW 21 G29 NW 7
PM 20FT Wnd (mph) SW 11 G19 S 11 NW 8
Transport Wnd (mph) SW 21 S 8 NW 13
Mixing Hgt(ft-agl) 3570 460 5270
Vent Rate (mph-ft) 74970 3680 68510
Max Dispersion Early 61 Good 10 Poor 28 Fair
Max Dispersion Late 64 Good 3 Very Poor 59 Gen Good
Category Day 4 1 4
Max LVORI Early 4 6 9
Max LVORI Late 4 7 3
Precip Chance (%) 90 70 40
Precip Type Tstms Tstms Showers
Precip Duration 3 2 1
Precip Amount 0.27 0.13 0.03
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 3 PM
Chance of Thunder (%) 50 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
43 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Southeast winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the upper 60s. South winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 85 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 63 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 60 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ087-190815-
Southeast Monroe-
Including the cities of Citico and Coker Creek
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 79-84 (-3) 64-69 (-3) 78-83
RH % (24h trend) 65-70 (+24) 95-100 (+6) 50-55
RH Recovery Excellent
AM 20FT Wnd (mph) SW 13 G24 NW 6
PM 20FT Wnd (mph) SW 8 G17 S 9 NW 7
Transport Wnd (mph) SW 18 SW 6 NW 12
Mixing Hgt(ft-agl) 2930 460 5310
Vent Rate (mph-ft) 52740 2760 63720
Max Dispersion Early 47 Gen Good 11 Poor 29 Fair
Max Dispersion Late 48 Gen Good 3 Very Poor 55 Gen Good
Category Day 3 1 4
Max LVORI Early 5 7 9
Max LVORI Late 4 9 3
Precip Chance (%) 90 70 30
Precip Type Tstms Tstms Showers
Precip Duration 4 2 1
Precip Amount 0.37 0.20 0.02
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 11 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. Northeast winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
43 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Southeast winds less than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 60 percent. Southwest winds
less than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the upper 60s. South winds 5 to 10 mph.
.MONDAY...Showers with thunderstorms likely. Highs in the upper
70s. Minimum RH 85 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 63 percent. Northwest
winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ102-190815-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 80-85 (-3) 65-70 (-3) 80-85
RH % (24h trend) 70-75 (+27) 95-100 (+5) 51-56
RH Recovery Excellent
AM 20FT Wnd (mph) SW 17 NW 8
PM 20FT Wnd (mph) S 10 G18 S 10 NW 7
Transport Wnd (mph) SW 18 SW 6 NW 13
Mixing Hgt(ft-agl) 2940 440 5500
Vent Rate (mph-ft) 52920 2640 71500
Max Dispersion Early 47 Gen Good 10 Poor 32 Fair
Max Dispersion Late 42 Gen Good 3 Very Poor 62 Good
Category Day 3 1 4
Max LVORI Early 5 9 9
Max LVORI Late 4 9 3
Precip Chance (%) 90 70 30
Precip Type Tstms Tstms Showers
Precip Duration 5 2 1
Precip Amount 0.33 0.27 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 11 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
41 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 62 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the upper 60s. South winds less than 10 mph.
.MONDAY...Showers with thunderstorms likely. Highs in the upper
70s. Minimum RH 83 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. West winds less than 10 mph.
.TUESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 58 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ060-190815-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 79-84 (-3) 63-68 (-3) 79-84
RH % (24h trend) 69-74 (+28) 95-100 (+1) 51-56
RH Recovery Excellent
AM 20FT Wnd (mph) SW 13 NW 6
PM 20FT Wnd (mph) SW 8 S 8 NW 7
Transport Wnd (mph) SW 15 W 6 NW 13
Mixing Hgt(ft-agl) 2510 440 4950
Vent Rate (mph-ft) 37650 2640 64350
Max Dispersion Early 34 Fair 11 Poor 37 Fair
Max Dispersion Late 33 Fair 3 Very Poor 56 Gen Good
Category Day 3 1 4
Max LVORI Early 7 8 9
Max LVORI Late 4 9 3
Precip Chance (%) 90 80 30
Precip Type Tstms Tstms Showers
Precip Duration 5 3 1
Precip Amount 0.54 0.35 0.02
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 11 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
42 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Southeast winds less than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 61 percent. Southwest winds
less than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.MONDAY...Showers with thunderstorms likely. Highs in the upper
70s. Minimum RH 83 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 60 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 58 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ061-190815-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 76-81 (-2) 61-66 (-2) 76-81
RH % (24h trend) 76-81 (+29) 95-100 (0) 58-63
RH Recovery Excellent
AM 20FT Wnd (mph) SW 14 G23 NW 11
PM 20FT Wnd (mph) SW 8 S 8 NW 8
Transport Wnd (mph) SW 16 W 7 NW 14
Mixing Hgt(ft-agl) 2610 460 4660
Vent Rate (mph-ft) 41760 3220 65240
Max Dispersion Early 34 Fair 10 Poor 36 Fair
Max Dispersion Late 38 Fair 3 Very Poor 56 Gen Good
Category Day 3 1 4
Max LVORI Early 7 8 8
Max LVORI Late 5 10 3
Precip Chance (%) 100 90 0
Precip Type Tstms Tstms None
Precip Duration 5 3
Precip Amount 0.77 0.49 0.00
Precip Begin 8 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs around 80. Minimum RH 48 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Northwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely 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 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 mid
70s. Minimum RH 90 percent. West winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. West winds less
than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 65 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 60. Northwest winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 65 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ015-190815-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 83-88 (-1) 63-68 (-5) 80-85
RH % (24h trend) 64-69 (+25) 95-100 (+6) 44-49
RH Recovery Excellent
AM 20FT Wnd (mph) SW 18 NW 6
PM 20FT Wnd (mph) SW 11 SW 9 NW 7
Transport Wnd (mph) SW 24 W 7 NW 15
Mixing Hgt(ft-agl) 3670 450 5870
Vent Rate (mph-ft) 88080 3150 88050
Max Dispersion Early 68 Good 9 Poor 49 Gen Good
Max Dispersion Late 76 Good 5 Very Poor 73 Good
Category Day 4 1 4
Max LVORI Early 4 7 8
Max LVORI Late 3 10 2
Precip Chance (%) 80 80 0
Precip Type Tstms Tstms None
Precip Duration 3 3
Precip Amount 0.14 0.24 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
41 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light and
variable wind.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 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 around 80.
Minimum RH 76 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers. Highs in
the lower 80s. Minimum RH 53 percent. Northwest winds less than
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 51 percent.
Light and variable wind.
*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.
$$
TNZ016-190815-
Hawkins-
Including the city of Mooresburg
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 84-89 (0) 64-69 (-2) 80-85
RH % (24h trend) 62-67 (+21) 95-100 (+8) 47-52
RH Recovery Excellent
AM 20FT Wnd (mph) SW 18 G25 NW 6
PM 20FT Wnd (mph) SW 13 G21 SW 10 NW 8
Transport Wnd (mph) SW 24 SW 6 NW 15
Mixing Hgt(ft-agl) 3950 400 6350
Vent Rate (mph-ft) 94800 2400 95250
Max Dispersion Early 81 Good 9 Poor 52 Gen Good
Max Dispersion Late 83 Good 4 Very Poor 81 Good
Category Day 4 1 4
Max LVORI Early 4 8 9
Max LVORI Late 3 10 2
Precip Chance (%) 70 80 0
Precip Type Tstms Tstms None
Precip Duration 2 3
Precip Amount 0.17 0.18 0.00
Precip Begin 8 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 60 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Minimum RH 44 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 80 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. West winds less
than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Minimum RH 57 percent. Northwest winds less than
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 55 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ017-190815-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+2) 64-69 (-1) 79-84
RH % (24h trend) 57-62 (+21) 95-100 (+14) 44-49
RH Recovery Excellent
AM 20FT Wnd (mph) SW 23 NW 9
PM 20FT Wnd (mph) SW 15 G23 SW 11 NW 10
Transport Wnd (mph) W 25 SW 7 NW 16
Mixing Hgt(ft-agl) 4460 410 6610
Vent Rate (mph-ft) 111500 2870 105760
Max Dispersion Early 84 Good 7 Poor 48 Gen Good
Max Dispersion Late 98 Good 4 Very Poor 92 Good
Category Day 4 1 4
Max LVORI Early 4 6 9
Max LVORI Late 3 9 2
Precip Chance (%) 80 90 40
Precip Type Tstms Tstms Tstms
Precip Duration 3 4 1
Precip Amount 0.12 0.22 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Chance of Thunder (%) 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Minimum RH 41 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 47 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 74 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. West winds 5 to
10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
52 percent. Northwest winds 5 to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ046-190815-
Northwest Carter-
Including the city of Elizabethton
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 84-89 (+2) 63-68 (-1) 77-82
RH % (24h trend) 51-56 (+18) 95-100 (+14) 43-48
RH Recovery Excellent
AM 20FT Wnd (mph) W 21 G28 NW 8
PM 20FT Wnd (mph) W 13 G22 SW 9 NW 9
Transport Wnd (mph) W 24 W 7 W 17
Mixing Hgt(ft-agl) 4480 430 6310
Vent Rate (mph-ft) 107520 3010 107270
Max Dispersion Early 87 Good 8 Poor 41 Gen Good
Max Dispersion Late 94 Good 4 Very Poor 92 Good
Category Day 4 1 4
Max LVORI Early 4 6 7
Max LVORI Late 3 8 2
Precip Chance (%) 90 90 50
Precip Type Tstms Tstms Tstms
Precip Duration 3 4 1
Precip Amount 0.30 0.30 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Chance of Thunder (%) 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Minimum RH 38 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 43 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 around 80.
Minimum RH 69 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 80. Minimum RH 50 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 47 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ044-190815-
Washington TN-
Including the city of Johnson City
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+2) 64-69 (-1) 79-84
RH % (24h trend) 53-58 (+18) 95-100 (+15) 45-50
RH Recovery Excellent
AM 20FT Wnd (mph) SW 18 G27 W 8
PM 20FT Wnd (mph) SW 15 G23 SW 9 NW 9
Transport Wnd (mph) W 24 W 6 W 16
Mixing Hgt(ft-agl) 4260 430 6250
Vent Rate (mph-ft) 102240 2580 100000
Max Dispersion Early 89 Good 8 Poor 46 Gen Good
Max Dispersion Late 91 Good 3 Very Poor 89 Good
Category Day 4 1 4
Max LVORI Early 4 6 8
Max LVORI Late 3 8 2
Precip Chance (%) 80 90 50
Precip Type Tstms Tstms Tstms
Precip Duration 4 3 1
Precip Amount 0.23 0.22 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Chance of Thunder (%) 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Minimum RH 41 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 46 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 72 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. West winds 5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
53 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ042-190815-
Northwest Greene-
Including the city of Greeneville
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+1) 64-69 (-2) 79-84
RH % (24h trend) 52-57 (+15) 95-100 (+13) 46-51
RH Recovery Excellent
AM 20FT Wnd (mph) SW 20 W 8
PM 20FT Wnd (mph) SW 14 G22 SW 11 NW 8
Transport Wnd (mph) W 22 SW 6 W 15
Mixing Hgt(ft-agl) 4150 420 6130
Vent Rate (mph-ft) 91300 2520 91950
Max Dispersion Early 82 Good 5 Very Poor 46 Gen Good
Max Dispersion Late 82 Good 4 Very Poor 80 Good
Category Day 4 1 4
Max LVORI Early 4 6 8
Max LVORI Late 3 9 2
Precip Chance (%) 80 80 40
Precip Type Tstms Tstms Tstms
Precip Duration 3 3 1
Precip Amount 0.22 0.16 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Chance of Thunder (%) 60 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Minimum RH 41 percent.
Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 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. West winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
55 percent. Northwest winds 5 to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ038-190815-
Grainger-
Including the city of Bean Station
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 84-89 (-1) 65-70 (-5) 81-86
RH % (24h trend) 63-68 (+23) 95-100 (+10) 45-50
RH Recovery Excellent
AM 20FT Wnd (mph) SW 21 NW 6
PM 20FT Wnd (mph) SW 13 SW 10 NW 6
Transport Wnd (mph) SW 22 SW 12 NW 13
Mixing Hgt(ft-agl) 3620 460 6150
Vent Rate (mph-ft) 79640 5520 79950
Max Dispersion Early 69 Good 11 Poor 47 Gen Good
Max Dispersion Late 78 Good 6 Very Poor 72 Good
Category Day 4 1 4
Max LVORI Early 4 6 8
Max LVORI Late 3 9 2
Precip Chance (%) 80 70 0
Precip Type Tstms Tstms None
Precip Duration 3 2
Precip Amount 0.39 0.12 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
42 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. West winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 77 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. West winds less
than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 55 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ039-190815-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (0) 65-70 (-4) 81-86
RH % (24h trend) 59-64 (+20) 95-100 (+10) 46-51
RH Recovery Excellent
AM 20FT Wnd (mph) SW 17 G26 NW 6
PM 20FT Wnd (mph) SW 13 SW 9 NW 7
Transport Wnd (mph) SW 24 W 6 NW 14
Mixing Hgt(ft-agl) 3900 410 6200
Vent Rate (mph-ft) 93600 2460 86800
Max Dispersion Early 79 Good 11 Poor 48 Gen Good
Max Dispersion Late 84 Good 5 Very Poor 74 Good
Category Day 4 1 4
Max LVORI Early 4 7 8
Max LVORI Late 3 9 2
Precip Chance (%) 70 70 0
Precip Type Tstms Tstms None
Precip Duration 2 2
Precip Amount 0.22 0.10 0.00
Precip Begin 8 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 60 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
42 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 78 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. West winds less
than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
57 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ040-190815-
Northwest Cocke-
Including the cities of Bybee and Newport
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (+1) 66-71 (-2) 79-84
RH % (24h trend) 54-59 (+16) 95-100 (+13) 47-52
RH Recovery Excellent
AM 20FT Wnd (mph) W 22 W 9
PM 20FT Wnd (mph) W 13 SW 8 NW 8
Transport Wnd (mph) W 21 SW 5 W 14
Mixing Hgt(ft-agl) 4450 400 5950
Vent Rate (mph-ft) 93450 2000 83300
Max Dispersion Early 82 Good 4 Very Poor 42 Gen Good
Max Dispersion Late 82 Good 4 Very Poor 74 Good
Category Day 4 1 4
Max LVORI Early 4 6 8
Max LVORI Late 3 9 2
Precip Chance (%) 70 80 40
Precip Type Tstms Tstms Tstms
Precip Duration 2 3 1
Precip Amount 0.20 0.13 0.01
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Chance of Thunder (%) 60 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. West winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
41 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 50 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. West winds 5 to 15 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the mid 60s. West winds 5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
58 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Northwest winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of thunderstorms and a
slight chance of showers. Highs in the lower 80s. Minimum RH
54 percent. Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ070-190815-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (0) 66-71 (-4) 81-86
RH % (24h trend) 58-63 (+19) 95-100 (+13) 47-52
RH Recovery Excellent
AM 20FT Wnd (mph) SW 18 G27 W 6
PM 20FT Wnd (mph) SW 14 SW 9 NW 7
Transport Wnd (mph) SW 24 W 6 NW 14
Mixing Hgt(ft-agl) 4010 410 6210
Vent Rate (mph-ft) 96240 2460 86940
Max Dispersion Early 75 Good 8 Poor 40 Fair
Max Dispersion Late 85 Good 5 Very Poor 74 Good
Category Day 4 1 4
Max LVORI Early 4 6 8
Max LVORI Late 3 9 2
Precip Chance (%) 70 60 30
Precip Type Tstms Tstms Showers
Precip Duration 2 2 1
Precip Amount 0.27 0.09 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 2 PM
Chance of Thunder (%) 60 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northwest
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
42 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 70. Southwest winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 76 percent. Southwest winds 10 to 15 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the upper 60s. West winds 5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
56 percent. Northwest winds 5 to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northwest
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 53 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ035-190815-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 82-87 (-1) 64-69 (-5) 80-85
RH % (24h trend) 68-73 (+23) 95-100 (+8) 46-51
RH Recovery Excellent
AM 20FT Wnd (mph) SW 19 NW 7
PM 20FT Wnd (mph) SW 10 G17 SW 8 NW 7
Transport Wnd (mph) SW 20 SW 10 NW 12
Mixing Hgt(ft-agl) 3280 460 5030
Vent Rate (mph-ft) 65600 4600 60360
Max Dispersion Early 59 Gen Good 9 Poor 40 Fair
Max Dispersion Late 53 Gen Good 6 Very Poor 54 Gen Good
Category Day 4 1 3
Max LVORI Early 5 9 7
Max LVORI Late 4 9 2
Precip Chance (%) 80 70 0
Precip Type Tstms Tstms None
Precip Duration 3 2
Precip Amount 0.39 0.12 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
45 percent. South winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Southeast winds less than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 62 percent. South winds less
than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the upper 60s. Southwest winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 83 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Northwest
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 58 percent.
North winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 56 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ012-190815-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 82-87 (-1) 63-68 (-7) 78-83
RH % (24h trend) 68-73 (+24) 95-100 (+11) 46-51
RH Recovery Excellent
AM 20FT Wnd (mph) SW 18 NW 5
PM 20FT Wnd (mph) SW 9 G18 SW 7 NW 6
Transport Wnd (mph) SW 21 W 8 NW 13
Mixing Hgt(ft-agl) 3550 460 5090
Vent Rate (mph-ft) 74550 3680 66170
Max Dispersion Early 68 Good 9 Poor 40 Fair
Max Dispersion Late 68 Good 6 Very Poor 57 Gen Good
Category Day 4 1 4
Max LVORI Early 4 7 7
Max LVORI Late 4 9 2
Precip Chance (%) 90 80 0
Precip Type Tstms Tstms None
Precip Duration 5 2
Precip Amount 0.32 0.23 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 70 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
44 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. South winds less than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 60 percent. South winds less
than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the upper 60s. Southwest winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 84 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 57 percent. North
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ013-190815-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mclear
Temp (24h trend) 80-85 (-1) 64-69 (-5) 77-82
RH % (24h trend) 70-75 (+23) 95-100 (+10) 48-53
RH Recovery Excellent
AM 20FT Wnd (mph) SW 19 NW 7
PM 20FT Wnd (mph) SW 11 G18 SW 8 NW 7
Transport Wnd (mph) SW 21 W 7 NW 13
Mixing Hgt(ft-agl) 3550 420 5210
Vent Rate (mph-ft) 74550 2940 67730
Max Dispersion Early 65 Good 11 Poor 44 Gen Good
Max Dispersion Late 60 Gen Good 6 Very Poor 61 Good
Category Day 4 1 4
Max LVORI Early 4 6 6
Max LVORI Late 4 9 2
Precip Chance (%) 90 80 0
Precip Type Tstms Tstms None
Precip Duration 4 2
Precip Amount 0.28 0.24 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
46 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. South winds less than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 61 percent. South winds less
than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 84 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 59 percent.
North winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 56 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ014-190815-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 83-88 (0) 63-68 (-6) 79-84
RH % (24h trend) 64-69 (+24) 95-100 (+7) 44-49
RH Recovery Excellent
AM 20FT Wnd (mph) SW 17 NW 5
PM 20FT Wnd (mph) SW 10 G18 SW 8 NW 6
Transport Wnd (mph) SW 21 W 6 NW 14
Mixing Hgt(ft-agl) 3470 440 5650
Vent Rate (mph-ft) 72870 2640 79100
Max Dispersion Early 62 Good 7 Poor 47 Gen Good
Max Dispersion Late 64 Good 6 Very Poor 66 Good
Category Day 4 1 4
Max LVORI Early 5 7 8
Max LVORI Late 3 10 2
Precip Chance (%) 90 80 0
Precip Type Tstms Tstms None
Precip Duration 4 2
Precip Amount 0.24 0.29 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
41 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. North winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 77 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers. Highs in
the lower 80s. Minimum RH 53 percent. Northwest winds less than
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 51 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ037-190815-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 83-88 (-1) 65-70 (-5) 81-86
RH % (24h trend) 66-71 (+25) 95-100 (+9) 45-50
RH Recovery Excellent
AM 20FT Wnd (mph) SW 19 NW 6
PM 20FT Wnd (mph) SW 11 G20 SW 10 NW 6
Transport Wnd (mph) SW 21 SW 12 NW 13
Mixing Hgt(ft-agl) 3400 460 6110
Vent Rate (mph-ft) 71400 5520 79430
Max Dispersion Early 60 Gen Good 10 Poor 44 Gen Good
Max Dispersion Late 64 Good 8 Poor 68 Good
Category Day 4 1 4
Max LVORI Early 5 6 8
Max LVORI Late 3 9 2
Precip Chance (%) 90 60 0
Precip Type Tstms Tstms None
Precip Duration 4 2
Precip Amount 0.34 0.15 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
43 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Northwest winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 77 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ036-190815-
Anderson-
Including the cities of Oak Ridge and Clinton
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 81-86 (-2) 65-70 (-5) 80-85
RH % (24h trend) 67-72 (+22) 95-100 (+10) 44-49
RH Recovery Excellent
AM 20FT Wnd (mph) SW 23 NW 7
PM 20FT Wnd (mph) SW 11 G19 SW 10 NW 7
Transport Wnd (mph) SW 20 W 7 NW 13
Mixing Hgt(ft-agl) 3200 450 5880
Vent Rate (mph-ft) 64000 3150 76440
Max Dispersion Early 57 Gen Good 12 Poor 41 Gen Good
Max Dispersion Late 57 Gen Good 4 Very Poor 61 Good
Category Day 4 1 4
Max LVORI Early 4 6 7
Max LVORI Late 3 8 2
Precip Chance (%) 90 60 0
Precip Type Tstms Tstms None
Precip Duration 3 2
Precip Amount 0.46 0.11 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
46 percent. Southeast winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Northwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 61 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the upper 60s. Southwest winds 5 to 15 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 81 percent. Southwest winds 5 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 57 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 56 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ069-190815-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mclear
Temp (24h trend) 84-89 (-2) 66-71 (-5) 82-87
RH % (24h trend) 64-69 (+23) 95-100 (+12) 46-51
RH Recovery Excellent
AM 20FT Wnd (mph) SW 18 G26 Lgt/Var
PM 20FT Wnd (mph) SW 13 G21 SW 9 NW 6
Transport Wnd (mph) SW 22 SW 12 NW 13
Mixing Hgt(ft-agl) 3650 460 6660
Vent Rate (mph-ft) 80300 5520 86580
Max Dispersion Early 68 Good 15 Gen Poor 38 Fair
Max Dispersion Late 68 Good 5 Very Poor 70 Good
Category Day 4 1 4
Max LVORI Early 4 6 8
Max LVORI Late 3 8 2
Precip Chance (%) 70 50 0
Precip Type Tstms Tstms None
Precip Duration 2 1
Precip Amount 0.35 0.07 0.00
Precip Begin 8 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
44 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 57 percent.
Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 70s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 79 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 60s. West winds 5 to
10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
57 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ073-190815-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Temp (24h trend) 85-90 (-1) 66-71 (-4) 81-86
RH % (24h trend) 55-60 (+18) 95-100 (+13) 48-53
RH Recovery Excellent
AM 20FT Wnd (mph) SW 29 W 8
PM 20FT Wnd (mph) SW 14 SW 11 NW 7
Transport Wnd (mph) SW 23 W 6 NW 13
Mixing Hgt(ft-agl) 4200 420 6160
Vent Rate (mph-ft) 96600 2520 80080
Max Dispersion Early 80 Good 9 Poor 32 Fair
Max Dispersion Late 83 Good 4 Very Poor 69 Good
Category Day 4 1 4
Max LVORI Early 4 7 9
Max LVORI Late 3 9 2
Precip Chance (%) 70 70 40
Precip Type Tstms Tstms Showers
Precip Duration 2 2 1
Precip Amount 0.17 0.09 0.01
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing 3 PM
Chance of Thunder (%) 50 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
41 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Southeast winds less than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 52 percent.
West winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 70. Southwest winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. Southwest winds 10 to 15 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the upper 60s. West winds 5 to 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
56 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northwest
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of thunderstorms and a
slight chance of showers. Highs in the mid 80s. Minimum RH
52 percent. Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ067-190815-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 83-88 (-2) 66-71 (-5) 83-88
RH % (24h trend) 70-75 (+24) 95-100 (+8) 47-52
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 G19 Lgt/Var
PM 20FT Wnd (mph) SW 10 G17 SW 6 NW 5
Transport Wnd (mph) SW 21 W 6 NW 12
Mixing Hgt(ft-agl) 3380 470 5900
Vent Rate (mph-ft) 70980 2820 70800
Max Dispersion Early 59 Gen Good 15 Gen Poor 36 Fair
Max Dispersion Late 61 Good 5 Very Poor 60 Gen Good
Category Day 4 1 4
Max LVORI Early 5 7 8
Max LVORI Late 4 9 2
Precip Chance (%) 70 60 0
Precip Type Tstms Tstms None
Precip Duration 2 2
Precip Amount 0.23 0.06 0.00
Precip Begin 9 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 60 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
47 percent. Light and variable wind.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 63 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows
around 70. Southwest winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 83 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Northwest winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ068-190815-
Loudon-
Including the cities of Lenoir City and Loudon
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 83-88 (-2) 66-71 (-5) 82-87
RH % (24h trend) 70-75 (+26) 95-100 (+7) 49-54
RH Recovery Excellent
AM 20FT Wnd (mph) SW 13 G21 Lgt/Var
PM 20FT Wnd (mph) SW 12 G20 SW 6 NW 6
Transport Wnd (mph) SW 22 W 6 NW 12
Mixing Hgt(ft-agl) 3460 460 6570
Vent Rate (mph-ft) 76120 2760 78840
Max Dispersion Early 65 Good 17 Gen Poor 30 Fair
Max Dispersion Late 67 Good 5 Very Poor 66 Good
Category Day 4 1 4
Max LVORI Early 5 7 9
Max LVORI Late 3 9 2
Precip Chance (%) 70 50 0
Precip Type Tstms Tstms None
Precip Duration 2 1
Precip Amount 0.22 0.06 0.00
Precip Begin 8 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
47 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 63 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 70. Southwest winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 86 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 60s. West winds less
than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
63 percent. North winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ071-190815-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 84-89 (-2) 67-72 (-4) 82-87
RH % (24h trend) 64-69 (+23) 95-100 (+11) 49-54
RH Recovery Excellent
AM 20FT Wnd (mph) SW 19 G26 NW 5
PM 20FT Wnd (mph) SW 15 SW 11 NW 8
Transport Wnd (mph) SW 22 SW 6 NW 12
Mixing Hgt(ft-agl) 3630 440 6560
Vent Rate (mph-ft) 79860 2640 78720
Max Dispersion Early 70 Good 10 Poor 28 Fair
Max Dispersion Late 70 Good 4 Very Poor 68 Good
Category Day 4 1 4
Max LVORI Early 4 6 9
Max LVORI Late 3 8 2
Precip Chance (%) 70 60 30
Precip Type Tstms Tstms Tstms
Precip Duration 2 2 1
Precip Amount 0.15 0.08 0.01
Precip Begin 9 AM Continuing Continuing
Precip End Continuing Continuing 11 AM
Chance of Thunder (%) 50 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
45 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Southeast winds less than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the upper 80s. Minimum RH 59 percent. Southwest winds
less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 70s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 81 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the upper 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 58 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ086-190815-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 83-88 (-3) 66-71 (-5) 82-87
RH % (24h trend) 69-74 (+27) 95-100 (+7) 50-55
RH Recovery Excellent
AM 20FT Wnd (mph) SW 12 G21 Lgt/Var
PM 20FT Wnd (mph) SW 11 G18 SW 6 NW 5
Transport Wnd (mph) SW 21 W 5 NW 12
Mixing Hgt(ft-agl) 3480 450 6450
Vent Rate (mph-ft) 73080 2250 77400
Max Dispersion Early 62 Good 12 Poor 27 Fair
Max Dispersion Late 63 Good 3 Very Poor 65 Good
Category Day 4 1 4
Max LVORI Early 5 8 9
Max LVORI Late 3 10 3
Precip Chance (%) 80 60 20
Precip Type Tstms Tstms Showers
Precip Duration 3 2 1
Precip Amount 0.22 0.11 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 11 AM
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
45 percent. North winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 62 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows
around 70. South winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 85 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the upper 60s. West winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
North winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ083-190815-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Temp (24h trend) 82-87 (-2) 66-71 (-4) 81-86
RH % (24h trend) 72-77 (+23) 95-100 (+5) 50-55
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 G18 Lgt/Var
PM 20FT Wnd (mph) S 9 SW 5 NW 6
Transport Wnd (mph) SW 21 W 5 NW 12
Mixing Hgt(ft-agl) 3480 410 5280
Vent Rate (mph-ft) 73080 2050 63360
Max Dispersion Early 54 Gen Good 10 Poor 34 Fair
Max Dispersion Late 62 Good 3 Very Poor 54 Gen Good
Category Day 4 1 4
Max LVORI Early 5 9 8
Max LVORI Late 4 10 2
Precip Chance (%) 70 60 0
Precip Type Tstms Tstms None
Precip Duration 2 2
Precip Amount 0.20 0.05 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
50 percent. Southeast winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.SUNDAY...Partly sunny with showers and thunderstorms likely.
Highs in the mid 80s. 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 upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 88 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Northwest
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
North winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ084-190815-
Meigs-
Including the city of Big Spring
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Temp (24h trend) 83-88 (-3) 67-72 (-4) 83-88
RH % (24h trend) 70-75 (+24) 95-100 (+7) 48-53
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 G17 Lgt/Var
PM 20FT Wnd (mph) S 10 Lgt/Var NW 5
Transport Wnd (mph) SW 21 W 5 NW 12
Mixing Hgt(ft-agl) 3430 430 5880
Vent Rate (mph-ft) 72030 2150 70560
Max Dispersion Early 55 Gen Good 12 Poor 33 Fair
Max Dispersion Late 62 Good 4 Very Poor 59 Gen Good
Category Day 4 1 4
Max LVORI Early 5 9 9
Max LVORI Late 4 10 2
Precip Chance (%) 70 60 0
Precip Type Tstms Tstms None
Precip Duration 2 2
Precip Amount 0.23 0.07 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
47 percent. Light and variable wind.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 65 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 70. Southwest winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 84 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. West winds less
than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 62 percent. North
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent. Light
and variable wind.
*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.
$$
TNZ085-190815-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 83-88 (-2) 66-71 (-5) 83-88
RH % (24h trend) 70-75 (+26) 95-100 (+6) 49-54
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 G20 Lgt/Var
PM 20FT Wnd (mph) SW 11 S 5 NW 5
Transport Wnd (mph) SW 21 NW 5 NW 12
Mixing Hgt(ft-agl) 3200 460 6620
Vent Rate (mph-ft) 67200 2300 79440
Max Dispersion Early 57 Gen Good 13 Gen Poor 31 Fair
Max Dispersion Late 56 Gen Good 4 Very Poor 65 Good
Category Day 4 1 4
Max LVORI Early 5 9 9
Max LVORI Late 4 10 3
Precip Chance (%) 80 60 20
Precip Type Tstms Tstms None
Precip Duration 4 2
Precip Amount 0.28 0.12 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 9 AM
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 65 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 70. South winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 85 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. West winds less
than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
North winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ099-190815-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Pcldy Pcldy
Temp (24h trend) 81-86 (-4) 67-72 (-4) 82-87
RH % (24h trend) 71-76 (+22) 95-100 (+8) 52-57
RH Recovery Excellent
AM 20FT Wnd (mph) SW 12 NW 5
PM 20FT Wnd (mph) S 10 G18 S 7 NW 6
Transport Wnd (mph) SW 18 NW 5 NW 12
Mixing Hgt(ft-agl) 3110 450 5460
Vent Rate (mph-ft) 55980 2250 65520
Max Dispersion Early 49 Gen Good 10 Poor 33 Fair
Max Dispersion Late 51 Gen Good 3 Very Poor 53 Gen Good
Category Day 3 1 4
Max LVORI Early 5 8 8
Max LVORI Late 4 10 3
Precip Chance (%) 80 50 0
Precip Type Tstms Tstms None
Precip Duration 3 1
Precip Amount 0.25 0.10 0.00
Precip Begin 8 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 50 percent.
Northeast winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds less
than 10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 71 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 70s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 83 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. West winds
less than 10 mph.
.TUESDAY...Mostly sunny with a chance of thunderstorms and a
slight chance of showers. Highs in the lower 80s. Minimum RH
64 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 62 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ100-190815-
Bradley-
Including the cities of Cleveland and Tasso
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 82-87 (-3) 67-72 (-4) 83-88
RH % (24h trend) 71-76 (+26) 95-100 (+6) 51-56
RH Recovery Excellent
AM 20FT Wnd (mph) SW 10 G19 Lgt/Var
PM 20FT Wnd (mph) S 10 G19 S 6 NW 5
Transport Wnd (mph) SW 21 NW 3 NW 12
Mixing Hgt(ft-agl) 3210 460 6080
Vent Rate (mph-ft) 67410 1380 72960
Max Dispersion Early 57 Gen Good 15 Gen Poor 32 Fair
Max Dispersion Late 52 Gen Good 3 Very Poor 60 Gen Good
Category Day 4 1 4
Max LVORI Early 5 9 9
Max LVORI Late 4 10 3
Precip Chance (%) 90 60 20
Precip Type Tstms Tstms None
Precip Duration 5 2
Precip Amount 0.30 0.12 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 11 AM
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.SUNDAY...Partly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 66 percent. South winds less
than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 70. South winds 5 to 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 82 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 60s. West winds less
than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 62 percent. North
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ101-190815-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
312 AM EDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 82-87 (-3) 66-71 (-4) 82-87
RH % (24h trend) 69-74 (+27) 95-100 (+6) 49-54
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 G21 Lgt/Var
PM 20FT Wnd (mph) SW 10 G18 S 5 NW 5
Transport Wnd (mph) SW 20 S 6 NW 12
Mixing Hgt(ft-agl) 3010 440 6010
Vent Rate (mph-ft) 60200 2640 72120
Max Dispersion Early 50 Gen Good 11 Poor 29 Fair
Max Dispersion Late 42 Gen Good 3 Very Poor 60 Gen Good
Category Day 4 1 4
Max LVORI Early 5 8 9
Max LVORI Late 4 10 3
Precip Chance (%) 90 70 20
Precip Type Tstms Tstms Showers
Precip Duration 5 2 1
Precip Amount 0.35 0.19 0.01
Precip Begin 8 AM Continuing Continuing
Precip End Continuing Continuing 11 AM
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
42 percent. Northwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the mid 80s. Minimum RH 62 percent. Southwest winds less
than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows
around 70. South winds 5 to 10 mph.
.MONDAY...Showers with thunderstorms likely. Highs in the lower
80s. Minimum RH 80 percent. Southwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 60s. West winds less
than 10 mph.
.TUESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 60 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. North winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 56 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ082-190815-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
212 AM CDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 80-85 (-2) 65-70 (-4) 79-84
RH % (24h trend) 72-77 (+22) 95-100 (+7) 51-56
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 G19 NW 5
PM 20FT Wnd (mph) S 9 G17 S 5 NW 6
Transport Wnd (mph) SW 21 NW 6 NW 13
Mixing Hgt(ft-agl) 3200 450 4550
Vent Rate (mph-ft) 67200 2700 59150
Max Dispersion Early 51 Gen Good 13 Gen Poor 34 Fair
Max Dispersion Late 56 Gen Good 4 Very Poor 50 Gen Good
Category Day 4 1 4
Max LVORI Early 5 9 8
Max LVORI Late 4 9 2
Precip Chance (%) 70 60 0
Precip Type Tstms Tstms None
Precip Duration 2 2
Precip Amount 0.13 0.05 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
50 percent. Southeast winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.SUNDAY...Showers with thunderstorms likely. Highs in the lower
80s. Minimum RH 72 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 88 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Northwest
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 65 percent. Northwest
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ081-190815-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
212 AM CDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 78-83 (-3) 65-70 (-3) 78-83
RH % (24h trend) 75-80 (+22) 95-100 (+5) 56-61
RH Recovery Excellent
AM 20FT Wnd (mph) SW 13 Lgt/Var
PM 20FT Wnd (mph) S 8 G17 S 6 NW 5
Transport Wnd (mph) SW 20 W 6 NW 12
Mixing Hgt(ft-agl) 2970 440 4680
Vent Rate (mph-ft) 59400 2640 56160
Max Dispersion Early 44 Gen Good 10 Poor 31 Fair
Max Dispersion Late 50 Gen Good 3 Very Poor 48 Gen Good
Category Day 4 1 3
Max LVORI Early 5 8 8
Max LVORI Late 4 9 3
Precip Chance (%) 80 60 0
Precip Type Tstms Tstms None
Precip Duration 2 2
Precip Amount 0.15 0.06 0.00
Precip Begin 8 AM Continuing
Precip End Continuing 8 AM
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
South winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the lower 80s. Minimum RH 76 percent. Southwest winds
less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 90 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Northwest
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 68 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 66 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ098-190815-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
212 AM CDT Thu Jun 18 2026
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Temp (24h trend) 78-83 (-4) 66-71 (-3) 80-85
RH % (24h trend) 74-79 (+22) 95-100 (+5) 54-59
RH Recovery Excellent
AM 20FT Wnd (mph) SW 11 G19 Lgt/Var
PM 20FT Wnd (mph) S 8 G17 S 6 NW 5
Transport Wnd (mph) SW 20 W 6 NW 12
Mixing Hgt(ft-agl) 3020 450 4630
Vent Rate (mph-ft) 60400 2700 55560
Max Dispersion Early 40 Fair 7 Poor 30 Fair
Max Dispersion Late 50 Gen Good 3 Very Poor 46 Gen Good
Category Day 4 1 3
Max LVORI Early 5 7 8
Max LVORI Late 4 8 3
Precip Chance (%) 90 70 0
Precip Type Tstms Tstms None
Precip Duration 3 2
Precip Amount 0.29 0.11 0.00
Precip Begin 8 AM Continuing
Precip End Continuing Continuing
Chance of Thunder (%) 50 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 52 percent.
South winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds less
than 10 mph.
.SUNDAY...Showers with thunderstorms likely. Highs in the lower
80s. Minimum RH 74 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds 5 to
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 86 percent. West winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Northwest
winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 67 percent. Northwest
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. North
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 64 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
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