316
FNUS54 KHUN 200519
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1219 AM CDT WED MAY 20 2026
DISCUSSION
MEDIUM TO HIGH CHANCES FOR SHOWERS AND THUNDERSTORMS ARE FORECAST TODAY
AND THURSDAY, 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: VERY LOCALIZED FOG MAY DEVELOP
EARLY THURSDAY MORNING DUE TO MOIST CONDITIONS FROM EARLIER RAINFALL.
POTENTIAL FOR RED FLAG CONDITIONS: NONE AT THIS TIME.
ALZ001>003-202115-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
1219 AM CDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
MAX/MIN TEMP 83 63 81
MIN/MAX RH % 67 100 69
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR
CHANCE PRECIP (%) 70 60 60
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP DURATION 6 3 3
PRECIP AMOUNT 0.19 0.08 0.17
MIXING HGT(FT-AGL/MSL)4800 4100
TRANSPORT WND (MPH) SW 10 S 9
STABILITY CLASS D C D
MAX LVORI 7 9 9
DISPERSION 42 GEN GOOD 30 FAIR
REMARKS...NONE.
ALZ004-014-202115-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
1219 AM CDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
MAX/MIN TEMP 84 63 82
MIN/MAX RH % 62 100 67
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR
CHANCE PRECIP (%) 70 60 70
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP DURATION 5 3 5
PRECIP AMOUNT 0.17 0.12 0.21
MIXING HGT(FT-AGL/MSL)5300 4400
TRANSPORT WND (MPH) SW 12 S 9
STABILITY CLASS D D C
MAX LVORI 6 9 9
DISPERSION 59 GEN GOOD 42 GEN GOOD
REMARKS...NONE.
ALZ005>007-016-202115-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
1219 AM CDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
MAX/MIN TEMP 85 63 83
MIN/MAX RH % 63 100 68
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR
CHANCE PRECIP (%) 70 60 70
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP DURATION 5 3 4
PRECIP AMOUNT 0.19 0.11 0.19
MIXING HGT(FT-AGL/MSL)5000 4300
TRANSPORT WND (MPH) SW 10 S 8
STABILITY CLASS D C C
MAX LVORI 5 9 9
DISPERSION 45 GEN GOOD 36 FAIR
REMARKS...NONE.
ALZ008>010-202115-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
1219 AM CDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
MAX/MIN TEMP 85 61 81
MIN/MAX RH % 62 100 71
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR
CHANCE PRECIP (%) 70 60 50
PRECIP TYPE TSTMS TSTMS TSTMS
PRECIP DURATION 3 3 2
PRECIP AMOUNT 0.24 0.08 0.21
MIXING HGT(FT-AGL/MSL)5700 3500
TRANSPORT WND (MPH) SW 10 SW 7
STABILITY CLASS D C D
MAX LVORI 5 10 9
DISPERSION 47 GEN GOOD 23 FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND 80.
MINIMUM RH 76 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
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 IN THE
LOWER 80S. MINIMUM RH 74 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 80S. MINIMUM RH 72 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. 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 72 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
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 68 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
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