568
FNUS54 KHUN 210737
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
237 AM CDT TUE JUL 21 2026
DISCUSSION
A DRY DAY ON TAP WITH DANGEROUS HEAT INDEX VALUES EXPECTED TO
CLIMB TO BETWEEN 105 AND 109 DEGREES THIS AFTERNOON. 20 FOOT WINDS
WILL BE 5 MPH OR LESS AND VARIABLE WITH TRANSPORT WINDS FROM THE
SOUTH AROUND 10 MPH. MIXING HEIGHTS WILL CLIMB TO BETWEEN 5000 AND
6000 FEET IN THE AFTERNOON. AFTERNOON RELATIVE HUMIDITY VALUES
WILL ONLY DROP TO AROUND 55 PERCENT. LATE TONIGHT ISOLATED TO
SCATTERED SOME STRONG TO SEVERE STORMS MAY IMPACT LOCATIONS NORTH
OF THE TENNESSEE RIVER.
A LOW TO MEDIUM CHANCES OF SHOWERS AND STORMS REMAIN IN THE
FORECAST ON WEDNESDAY. 20 FOOT WINDS WILL BE FROM THE NORTH AROUND
5 MPH WITH NORTHWESTERLY TRANSPORT WINDS AROUND 10 MPH. MIXING
HEIGHTS ARE AGAIN FORECAST TO CLIMB TO BETWEEN 5000 AND 6000 FEET
IN THE AFTERNOON. AFTERNOON RELATIVE HUMIDITY VALUES WILL ONLY
DROP TO AROUND 60 PERCENT.
FOG POTENTIAL OVER THE NEXT FEW DAYS: PATCHY/AREAS OF FOG ARE
EXPECTED THROUGH 7 AM TODAY AND AGAIN EARLY WEDNESDAY 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
237 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY PCLDY
MAX/MIN TEMP 94 74 90
MIN/MAX RH % 56 98 59
WIND 20FT AM (MPH) LGT/VAR LGT/VAR N 5
WIND 20FT PM (MPH) LGT/VAR LGT/VAR N 5
CHANCE PRECIP (%) 0 40 30
PRECIP TYPE NONE TSTMS TSTMS
PRECIP DURATION 2 1
PRECIP AMOUNT 0.00 0.06 0.04
MIXING HGT(FT-AGL/MSL)5400 5500
TRANSPORT WND (MPH) S 7 NW 8
STABILITY CLASS D D D
MAX LVORI 6 7 7
DISPERSION 40 FAIR 52 GEN GOOD
REMARKS...NONE.
ALZ004-014-212130-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
237 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
MAX/MIN TEMP 94 74 90
MIN/MAX RH % 53 97 59
WIND 20FT AM (MPH) LGT/VAR LGT/VAR N 4
WIND 20FT PM (MPH) LGT/VAR LGT/VAR N 4
CHANCE PRECIP (%) 0 0 30
PRECIP TYPE NONE NONE TSTMS
PRECIP DURATION 1
PRECIP AMOUNT 0.00 0.00 0.04
MIXING HGT(FT-AGL/MSL)5500 5500
TRANSPORT WND (MPH) S 7 NW 7
STABILITY CLASS D D D
MAX LVORI 6 7 6
DISPERSION 41 GEN GOOD 39 FAIR
REMARKS...NONE.
ALZ005>007-016-212130-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
237 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
MAX/MIN TEMP 94 74 91
MIN/MAX RH % 53 96 61
WIND 20FT AM (MPH) LGT/VAR LGT/VAR W 4
WIND 20FT PM (MPH) LGT/VAR LGT/VAR W 4
CHANCE PRECIP (%) 0 20 40
PRECIP TYPE NONE SHOWERS TSTMS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.03 0.06
MIXING HGT(FT-AGL/MSL)5700 5700
TRANSPORT WND (MPH) S 8 W 8
STABILITY CLASS D D D
MAX LVORI 6 6 6
DISPERSION 54 GEN GOOD 42 GEN GOOD
REMARKS...NONE.
ALZ008>010-212130-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
237 AM CDT TUE JUL 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
MAX/MIN TEMP 92 73 90
MIN/MAX RH % 54 97 65
WIND 20FT AM (MPH) S 4 S 4 W 4
WIND 20FT PM (MPH) S 4 S 4 W 4
CHANCE PRECIP (%) 0 20 50
PRECIP TYPE NONE SHOWERS TSTMS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.01 0.05
MIXING HGT(FT-AGL/MSL)5700 5400
TRANSPORT WND (MPH) S 10 W 7
STABILITY CLASS D D D
MAX LVORI 6 6 6
DISPERSION 62 GOOD 33 FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 70. NORTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
57 PERCENT. NORTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 80S. MINIMUM RH 60 PERCENT. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 70S. LIGHT WINDS.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 66 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 70S. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90. MINIMUM RH 61 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
56 PERCENT. WEST WINDS AROUND 5 MPH.
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