838
FNUS54 KHUN 211831
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
131 PM CDT FRI AUG 21 2026
DISCUSSION
A SLIGHT DRYING TREND WILL KEEP RAIN CHANCES VERY LOW (10-20%) ON
SATURDAY AND DRY ON SUNDAY. RAIN CHANCES THEN RETURN AND INCREASE
FROM EARLY TO MIDWEEK. MINIMUM RELATIVE HUMIDITY VALUES WILL
MAINLY STAY AROUND AND ABOVE 40% THIS WEEKEND (ABOVE CRITICAL
THRESHOLDS). MIXING HEIGHTS ARE EXPECTED TO REACH BETWEEN
3500-6600 FEET SATURDAY AFTERNOON AND BETWEEN 4000-8000 FEET ON
SUNDAY. NORTHWESTERLY TRANSPORT WINDS GENERALLY AROUND 10 MPH ARE
ANTICIPATED BOTH DAYS AS WELL. LASTLY, GENERALLY GOOD TO GOOD
DAYTIME DISPERSIONS ARE FORECAST ON SATURDAY, WITH GOOD
DISPERSIONS ON SUNDAY.
FOG POTENTIAL OVER THE NEXT FEW DAYS: LOW TO MEDIUM CHANCES OF
PATCHY FOG DURING THE LATE NIGHT/EARLY MORNING HOURS, ESPECIALLY
IN RIVER VALLEYS AND SHELTERED LOCATIONS.
POTENTIAL FOR RED FLAG CONDITIONS: NONE AT THIS TIME.
ALZ001>003-220930-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
131 PM CDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
MIN/MAX TEMP 67 92 67 89
MAX/MIN RH % 97 40 95 42
WIND 20FT AM (MPH) LGT/VAR NW 5 LGT/VAR N 5
WIND 20FT PM (MPH) LGT/VAR NW 5 LGT/VAR N 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) 6600 7700
TRANSPORT WND (MPH) N 9 NW 9
STABILITY CLASS D D D D
MAX LVORI 9 7 6 6
DISPERSION 67 GOOD 69 GOOD
REMARKS...NONE.
ALZ004-014-220930-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
131 PM CDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
MIN/MAX TEMP 68 92 67 89
MAX/MIN RH % 98 40 97 40
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR N 4
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR N 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) 6600 7900
TRANSPORT WND (MPH) N 8 NW 8
STABILITY CLASS D D D D
MAX LVORI 9 7 7 6
DISPERSION 60 GEN GOOD 69 GOOD
REMARKS...NONE.
ALZ005>007-016-220930-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
131 PM CDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
MIN/MAX TEMP 67 91 66 89
MAX/MIN RH % 99 42 96 40
WIND 20FT AM (MPH) LGT/VAR NW 4 LGT/VAR N 5
WIND 20FT PM (MPH) LGT/VAR NW 4 LGT/VAR N 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) 6300 7700
TRANSPORT WND (MPH) NW 9 NW 9
STABILITY CLASS D D D D
MAX LVORI 9 7 6 6
DISPERSION 64 GOOD 76 GOOD
REMARKS...NONE.
ALZ008>010-220930-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
131 PM CDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
MIN/MAX TEMP 66 91 64 89
MAX/MIN RH % 100 43 98 39
WIND 20FT AM (MPH) LGT/VAR NW 4 LGT/VAR NW 5
WIND 20FT PM (MPH) LGT/VAR NW 4 LGT/VAR NW 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) 6200 7600
TRANSPORT WND (MPH) NW 10 NW 9
STABILITY CLASS D D D D
MAX LVORI 10 8 7 5
DISPERSION 65 GOOD 74 GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
45 PERCENT. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 56 PERCENT.
LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 65 PERCENT.
SOUTH WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 70. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 66 PERCENT.
LIGHT WINDS.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 62 PERCENT.
LIGHT WINDS.
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