145
FNUS54 KHUN 180840
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
340 AM CDT TUE AUG 18 2026
DISCUSSION
A COLD FRONT WAS MOVING IN A NW TO SE MANNER ACROSS NORTHERN
ALABAMA. DRIER AND SLIGHTLY COOLER AIR WILL FILTER ACROSS THE AREA
TODAY, PRODUCING DRY WEATHER AND MORE SEASONABLE TEMPERATURES.
HIGH TEMPERATURES LATER TODAY SHOULD WARM INTO THE LOWER 90S, WITH
MINIMUM AFTERNOON RELATIVE HUMIDITIES OF 45-50 PERCENT. GENERALLY
GOOD TO GOOD SMOKE DISPERSION RATES ARE EXPECTED TODAY.
DRY CONDITIONS AND WARMER TEMPERATURES ARE FORECAST ON WEDNESDAY,
WITH HIGH TEMPERATURES RISING BACK INTO THE MID 90S. ANOTHER
SYSTEM APPROACHING FROM THE WEST WILL RETURN SHOWER AND
THUNDERSTORM CHANCES LATE WEDNESDAY NIGHT AND ON THURSDAY.
FOG POTENTIAL OVER THE NEXT FEW DAYS: PATCHY FOG COULD FORM
BEFORE DAYBREAK, ESPECIALLY IN SHELTERED VALLEY LOCATIONS AND
WHERE RECENT WETTING RAINFALL OCCURRED. ADDITIONAL PATCHY FOG
CANNOT BE RULED OUT LATER TONIGHT INTO EARLY WEDNESDAY MORNING.
POTENTIAL FOR RED FLAG CONDITIONS: NOT FORECAST AT THIS TIME.
ALZ001>003-182130-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
340 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR
MAX/MIN TEMP 91 68 96
MIN/MAX RH % 48 96 44
WIND 20FT AM (MPH) N 4 LGT/VAR LGT/VAR
WIND 20FT PM (MPH) N 4 LGT/VAR LGT/VAR
CHANCE PRECIP (%) 0 0 0
PRECIP TYPE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL)5600 7500
TRANSPORT WND (MPH) NW 9 NW 6
STABILITY CLASS D D D
MAX LVORI 6 7 6
DISPERSION 59 GEN GOOD 48 GEN GOOD
REMARKS...NONE.
ALZ004-014-182130-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
340 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
MAX/MIN TEMP 91 68 95
MIN/MAX RH % 46 95 41
WIND 20FT AM (MPH) NW 4 LGT/VAR LGT/VAR
WIND 20FT PM (MPH) NW 4 LGT/VAR LGT/VAR
CHANCE PRECIP (%) 0 0 0
PRECIP TYPE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL)5700 7900
TRANSPORT WND (MPH) NW 9 N 5
STABILITY CLASS D D D
MAX LVORI 7 7 6
DISPERSION 61 GOOD 45 GEN GOOD
REMARKS...NONE.
ALZ005>007-016-182130-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
340 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
MAX/MIN TEMP 91 67 96
MIN/MAX RH % 45 94 39
WIND 20FT AM (MPH) NW 5 LGT/VAR LGT/VAR
WIND 20FT PM (MPH) NW 5 LGT/VAR LGT/VAR
CHANCE PRECIP (%) 0 0 0
PRECIP TYPE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL)5600 7100
TRANSPORT WND (MPH) NW 10 N 6
STABILITY CLASS D D D
MAX LVORI 6 7 5
DISPERSION 61 GOOD 40 FAIR
REMARKS...NONE.
ALZ008>010-182130-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
340 AM CDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR
MAX/MIN TEMP 90 65 94
MIN/MAX RH % 45 93 37
WIND 20FT AM (MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT PM (MPH) NW 6 LGT/VAR LGT/VAR
CHANCE PRECIP (%) 0 0 0
PRECIP TYPE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL)4900 6300
TRANSPORT WND (MPH) NW 12 N 7
STABILITY CLASS D D D
MAX LVORI 6 6 5
DISPERSION 62 GOOD 45 GEN GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. LIGHT
WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
56 PERCENT. LIGHT WINDS.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 70S. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 90. MINIMUM RH 60 PERCENT. LIGHT
WINDS.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT
WINDS.
SATURDAY
SUNNY. HIGHS AROUND 90. MINIMUM RH 49 PERCENT. NORTH
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH 47 PERCENT.
NORTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. MINIMUM RH 45 PERCENT.
LIGHT WINDS.
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