FNUS54 KHUN 210803 FWFHUN Fire Weather Planning Forecast for Alabama National Weather Service Huntsville AL 303 AM CDT Sun Jun 21 2026 .DISCUSSION... 20 foot winds will be from the southwest today between 5 and 10 mph gusting to around 15 mph at times. Transport winds will also be from the southwest between 10 and 15 mph. Relative humidity values will remain fairly high in the afternoon only dropping to around 60 percent. Mixing heights are expected to climb to between 4500 and 5000 feet in the afternoon. Rain and thunderstorms are expected on Monday. Some could be strong to severe producing damaging winds. Some flooding will be possible. 20 foot winds will be from the southwest around 10 with gusts around 20 mph. Transport winds will be from the west around 20 mph. Mixing heights will climb to between 3500 and 4500 feet in the afternoon. Afternoon relative humidity values will remain very high. Fog potential over the next few days: Some patchy fog (locally dense in isolated spots) will be possible through daybreak. However, cloud cover will help keep fog from forming in many locations. Stronger winds should prevent fog formation tonight into Monday morning. Potential for Red Flag Conditions: None are expected with such high afternoon relative humidity values forecast. ALZ001>003-212130- Lauderdale-Colbert-Franklin AL- Including the cities of Florence, Muscle Shoals, Sheffield, Tuscumbia, Russellville, and Red Bay 303 AM CDT Sun Jun 21 2026 Today Tonight Mon Cloud Cover PCldy PCldy MCldy Max/Min Temp 88 71 84 Min/Max RH % 62 100 76 Wind 20ft am (mph) SW 6 SW 6 G17 SW 9 G18 Wind 20ft pm (mph) SW 6 SW 6 G17 SW 9 G18 Chance Precip (%) 0 60 90 Precip Type None Tstms Tstms Precip Duration 2 8 Precip Amount 0.00 0.13 0.60 Mixing Hgt(ft-agl/msl)4800 3400 Transport Wnd (mph) SW 13 W 20 Stability Class D D C Max LVORI 8 6 5 Dispersion 63 Good 49 Gen Good Remarks...None. $$ ALZ004-014-212130- Lawrence-Winston- Including the cities of Moulton, Town Creek, and Haleyville 303 AM CDT Sun Jun 21 2026 Today Tonight Mon Cloud Cover PCldy PCldy MCldy Max/Min Temp 88 71 85 Min/Max RH % 61 100 71 Wind 20ft am (mph) S 6 SW 5 SW 9 G18 Wind 20ft pm (mph) S 6 SW 5 SW 9 G18 Chance Precip (%) 0 40 80 Precip Type None Tstms Tstms Precip Duration 1 5 Precip Amount 0.00 0.05 0.44 Mixing Hgt(ft-agl/msl)4600 3700 Transport Wnd (mph) SW 12 W 20 Stability Class D D C Max LVORI 9 7 5 Dispersion 57 Gen Good 62 Good Remarks...None. $$ ALZ005>007-016-212130- Limestone-Madison-Morgan-Cullman- Including the cities of Athens, Huntsville, Decatur, and Cullman 303 AM CDT Sun Jun 21 2026 Today Tonight Mon Cloud Cover PCldy PCldy MCldy Max/Min Temp88 71 86 Min/Max RH % 60 99 72 Wind 20ft am (mph) S 6 SW 6 G17 SW 9 G19 Wind 20ft pm (mph) S 6 SW 6 G17 SW 9 G19 Chance Precip (%) 0 50 80 Precip Type None Tstms Tstms Precip Duration 1 7 Precip Amount 0.00 0.05 0.47 Mixing Hgt(ft-agl/msl)4800 4100 Transport Wnd (mph) SW 12 W 20 Stability Class D D D Max LVORI 7 6 5 Dispersion 58 Gen Good 49 Gen Good Remarks...None. $$ ALZ008>010-212130- Marshall-Jackson-DeKalb- Including the cities of Albertville, Boaz, Guntersville, Arab, Scottsboro, Fort Payne, and Rainsville 303 AM CDT Sun Jun 21 2026 Today Tonight Mon Cloud Cover PCldy PCldy MCldy Max/Min Temp 86 69 84 Min/Max RH % 61 100 74 Wind 20ft am (mph) SW 5 SW 5 G18 SW 9 G18 Wind 20ft pm (mph) SW 5 SW 5 G18 SW 9 G18 Chance Precip (%) 0 40 80 Precip Type None Tstms Tstms Precip Duration 1 5 Precip Amount 0.00 0.04 0.42 Mixing Hgt(ft-agl/msl)5000 4500 Transport Wnd (mph) SW 12 W 17 Stability Class D D C Max LVORI 7 7 5 Dispersion 60 Gen Good 55 Gen Good Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Patchy fog. Lows in the upper 60s. Light winds. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Minimum RH 67 percent. West winds around 5 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light winds. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Minimum RH 61 percent. Light winds. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light winds. .THURSDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light winds. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Light winds. .FRIDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light winds. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light winds. .SATURDAY...Mostly sunny. Highs in the upper 80s. Minimum RH 64 percent. South winds around 5 mph. $$