864
FNUS54 KHUN 201849
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
149 PM CDT MON APR 20 2026
DISCUSSION
GOOD DISPERSIONS ARE FORECAST BOTH TUESDAY AND WEDNESDAY AS
MIXING HEIGHTS REMAIN 7800FT+ WITH SW TO W TRANSPORT WINDS AROUND
10-15 MPH. RH VALUES ARE FORECAST TO DROP TO 25-30% ON TUESDAY
AFTERNOON; HOWEVER, WINDS SHOULD REMAIN LIGHT ENOUGH TO PREVENT A
RED FLAG WARNING. WE WILL CONTINUE TO MONITOR THIS IN FUTURE
UPDATES.
FOG POTENTIAL OVER THE NEXT FEW DAYS: THERE IS A LOW CHANCE (20%)
OF FOG TONIGHT ALONG LARGE BODIES OF WATER.
POTENTIAL FOR RED FLAG CONDITIONS: NONE AT THIS TIME; HOWEVER, A
LOW CHANCE OF INCREASED FIRE DANGER EXISTS IN FAR NW AL ON TUESDAY
AFTERNOON WHERE DRY CONDITIONS, GUSTY WINDS, AND DRY FUELS
OVERLAP.
ALZ001>003-210930-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
149 PM CDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR PCLDY MCLDY PCLDY
MIN/MAX TEMP 48 80 52 78
MAX/MIN RH % 86 28 82 36
WIND 20FT AM (MPH) LGT/VAR SW 5 LGT/VAR SW 5
WIND 20FT PM (MPH) LGT/VAR SW 5 LGT/VAR SW 5
CHANCE PRECIP (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 7800 9400
TRANSPORT WND (MPH) SW 15 SW 10
STABILITY CLASS D D D D
MAX LVORI 5 4 4 3
DISPERSION 103 VERY GOOD 132 VERY GOOD
REMARKS...NONE.
ALZ004-014-210930-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
149 PM CDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR PCLDY MCLDY PCLDY
MIN/MAX TEMP 47 80 52 79
MAX/MIN RH % 89 26 82 30
WIND 20FT AM (MPH) LGT/VAR SW 4 LGT/VAR SW 4
WIND 20FT PM (MPH) LGT/VAR SW 4 LGT/VAR SW 4
CHANCE PRECIP (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 7900 10200
TRANSPORT WND (MPH) SW 12 SW 12
STABILITY CLASS D D D D
MAX LVORI 5 4 4 3
DISPERSION 87 GOOD 128 VERY GOOD
REMARKS...NONE.
ALZ005>007-016-210930-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
149 PM CDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR MCLDY PCLDY
MIN/MAX TEMP 47 81 51 79
MAX/MIN RH % 91 28 83 31
WIND 20FT AM (MPH) LGT/VAR SW 4 LGT/VAR SW 5
WIND 20FT PM (MPH) LGT/VAR SW 4 LGT/VAR SW 5
CHANCE PRECIP (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 8000 11200
TRANSPORT WND (MPH) SW 12 W 13
STABILITY CLASS D D D D
MAX LVORI 6 4 4 3
DISPERSION 82 GOOD 135 VERY GOOD
REMARKS...NONE.
ALZ008>010-210930-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
149 PM CDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR MCLDY MCLEAR
MIN/MAX TEMP 45 79 51 79
MAX/MIN RH % 89 30 80 33
WIND 20FT AM (MPH) LGT/VAR SW 4 LGT/VAR W 5
WIND 20FT PM (MPH) LGT/VAR SW 4 LGT/VAR W 5
CHANCE PRECIP (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 7900 10400
TRANSPORT WND (MPH) SW 10 W 12
STABILITY CLASS D D D D
MAX LVORI 5 4 4 3
DISPERSION 84 GOOD 115 VERY GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 37 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
41 PERCENT. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 70S. MINIMUM RH 59 PERCENT.
SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. MINIMUM RH 57 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
MINIMUM RH 58 PERCENT. SOUTH WINDS AROUND 5 MPH.
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