342
FNUS54 KHUN 210606
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
106 AM CDT THU MAY 21 2026
DISCUSSION
MEDIUM TO HIGH CHANCES FOR SHOWERS AND THUNDERSTORMS ARE FORECAST TODAY
AND FRIDAY, WITH WETTING RAINS LIKELY MITIGATING ANY BURNING IMPACTS.
LOWER MIXING HEIGHTS AND LIGHT WINDS MAY HINDER DISPERSION VALUES,
ESPECIALLY ON THURSDAY.
FOG POTENTIAL OVER THE NEXT FEW DAYS: LOCALIZED PATCHY FOG MAY DEVELOP
LATE TONIGHT INTO EARLY FRIDAY MORNING DUE TO MOIST CONDITIONS FROM
EARLIER RAINFALL.
POTENTIAL FOR RED FLAG CONDITIONS: NONE AT THIS TIME.
ALZ001>003-212130-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
106 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
MAX/MIN TEMP 81 64 81
MIN/MAX RH % 68 100 76
WIND 20FT AM (MPH) LGT/VAR LGT/VAR S 8
WIND 20FT PM (MPH) LGT/VAR LGT/VAR S 8
CHANCE PRECIP (%) 60 80 100
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP DURATION 4 8 12
PRECIP AMOUNT 0.19 0.13 0.67
MIXING HGT(FT-AGL/MSL)3600 3200
TRANSPORT WND (MPH) S 6 S 18
STABILITY CLASS D D D
MAX LVORI 9 9 7
DISPERSION 21 FAIR 53 GEN GOOD
REMARKS...NONE.
ALZ004-014-212130-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
106 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
MAX/MIN TEMP 82 63 82
MIN/MAX RH % 65 100 74
WIND 20FT AM (MPH) LGT/VAR LGT/VAR S 7
WIND 20FT PM (MPH) LGT/VAR LGT/VAR S 7
CHANCE PRECIP (%) 60 70 90
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP DURATION 3 5 10
PRECIP AMOUNT 0.12 0.13 0.66
MIXING HGT(FT-AGL/MSL)3700 3200
TRANSPORT WND (MPH) S 7 S 17
STABILITY CLASS D D D
MAX LVORI 9 9 7
DISPERSION 29 FAIR 46 GEN GOOD
REMARKS...NONE.
ALZ005>007-016-212130-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
106 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
MAX/MIN TEMP 83 63 82
MIN/MAX RH % 66 100 72
WIND 20FT AM (MPH) LGT/VAR LGT/VAR S 8 G17
WIND 20FT PM (MPH) LGT/VAR LGT/VAR S 8 G17
CHANCE PRECIP (%) 60 70 90
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP DURATION 2 7 11
PRECIP AMOUNT 0.15 0.11 0.52
MIXING HGT(FT-AGL/MSL)3800 4300
TRANSPORT WND (MPH) S 8 S 17
STABILITY CLASS C D D
MAX LVORI 8 8 5
DISPERSION 32 FAIR 54 GEN GOOD
REMARKS...NONE.
ALZ008>010-212130-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
106 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
MAX/MIN TEMP 81 61 81
MIN/MAX RH % 69 100 70
WIND 20FT AM (MPH) LGT/VAR LGT/VAR S 8
WIND 20FT PM (MPH) LGT/VAR LGT/VAR S 8
CHANCE PRECIP (%) 50 70 90
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP DURATION 2 8 7
PRECIP AMOUNT 0.11 0.21 0.34
MIXING HGT(FT-AGL/MSL)3900 4600
TRANSPORT WND (MPH) S 8 S 17
STABILITY CLASS C D D
MAX LVORI 9 9 7
DISPERSION 31 FAIR 60 GEN GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND
80. MINIMUM RH 76 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. LIGHT WINDS.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 80S. MINIMUM RH 75 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 73 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 69 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 66 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
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