569
FNUS54 KHUN 170912
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
412 AM CDT MON AUG 17 2026
DISCUSSION
ONE MORE DAY OF VERY WARM TO HOT CONDITIONS, WITH HIGH
TEMPERATURES RISING INTO THE MID/UPPER 90S, AND HEAT INDEXES FROM
THE UPPER 90S TO 110 DEGREES. MINIMUM AFTERNOON RELATIVE HUMIDITY
VALUES SHOULD DECREASE INTO THE UPPER 40S TO LOWER 50S PERCENT
RANGE. WINDS TODAY SHOULD BE FROM THE WEST 4-7 MPH. TRANSPORT
WINDS FROM THE WEST AROUND 15 MPH, AND MIXING HEIGHTS ABOVE 7000
FT ASL WILL PRODUCE VERY GOOD SMOKE DISPERSION RATES TODAY.
A COLD FRONT APPROACHING FROM THE NW WILL BRING SCATTERED SHOWERS
AND THUNDERSTORMS ACROSS NORTHERN ALABAMA THIS AFTERNOON INTO THE
EARLY EVENING. SOME OF THE STORMS COULD BECOME STRONG TO SEVERE
IN INTENSITY, WITH STRONG TO DAMAGING DOWNBURST-TYPE WIND GUSTS
OVER 60 MPH. TORRENTIAL DOWNPOURS COULD ALSO OCCUR IN THE STRONGER
STORMS AND/OR HEAVIER SHOWERS. SHOWER ACTIVITY SHOULD GRADUALLY
END AS WE GO INTO THE MID AND LATE EVENING.
CONDITIONS SHOULD NOT BE AS HOT ON TUESDAY, WITH HIGHS IN THE
LOWER 90S. THE HEAT COULD RETURN WEDNESDAY AND THURSDAY WITH HIGHS
BACK INTO THE MID 90S.
FOG POTENTIAL OVER THE NEXT FEW DAYS: PATCHY FOG COULD FORM IN
AND NEAR SHELTERED VALLEY LOCATIONS IN THE LATE NIGHT AND EARLY
MORNING. ADDITIONAL FOG COULD FORM LATE TONIGHT IN LOCATIONS THAT
RECEIVED WETTING RAINFALL.
POTENTIAL FOR RED FLAG CONDITIONS: NOT FORECAST AT THIS TIME.
ALZ001>003-172130-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
412 AM CDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLEAR
MAX/MIN TEMP 96 71 92
MIN/MAX RH % 51 99 46
WIND 20FT AM (MPH) W 7 LGT/VAR NW 5
WIND 20FT PM (MPH) W 7 LGT/VAR NW 5
CHANCE PRECIP (%) 30 20 0
PRECIP TYPE TSTMS TSTMS NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.02 0.03 0.00
MIXING HGT(FT-AGL/MSL)7300 6200
TRANSPORT WND (MPH) W 16 NW 10
STABILITY CLASS D D D
MAX LVORI 4 8 6
DISPERSION 115 VERY GOOD 71 GOOD
REMARKS...NONE.
ALZ004-014-172130-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
412 AM CDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLEAR
MAX/MIN TEMP 96 72 91
MIN/MAX RH % 46 100 43
WIND 20FT AM (MPH) W 6 LGT/VAR NW 4
WIND 20FT PM (MPH) W 6 LGT/VAR NW 4
CHANCE PRECIP (%) 40 30 0
PRECIP TYPE TSTMS TSTMS NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.05 0.03 0.00
MIXING HGT(FT-AGL/MSL)7200 6800
TRANSPORT WND (MPH) W 15 NW 10
STABILITY CLASS D D D
MAX LVORI 4 9 6
DISPERSION 109 VERY GOOD 73 GOOD
REMARKS...NONE.
ALZ005>007-016-172130-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
412 AM CDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLEAR
MAX/MIN TEMP 98 72 91
MIN/MAX RH % 47 98 44
WIND 20FT AM (MPH) W 6 LGT/VAR NW 5
WIND 20FT PM (MPH) W 6 LGT/VAR NW 5
CHANCE PRECIP (%) 30 30 0
PRECIP TYPE TSTMS TSTMS NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.07 0.07 0.00
MIXING HGT(FT-AGL/MSL)7200 5900
TRANSPORT WND (MPH) W 15 NW 10
STABILITY CLASS D D D
MAX LVORI 4 7 6
DISPERSION 104 VERY GOOD 69 GOOD
REMARKS...NONE.
ALZ008>010-172130-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
412 AM CDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
MAX/MIN TEMP 96 71 91
MIN/MAX RH % 48 98 45
WIND 20FT AM (MPH) W 6 LGT/VAR NW 5
WIND 20FT PM (MPH) W 6 LGT/VAR NW 5
CHANCE PRECIP (%) 30 40 0
PRECIP TYPE TSTMS TSTMS NONE
PRECIP DURATION 1 1
PRECIP AMOUNT 0.07 0.08 0.00
MIXING HGT(FT-AGL/MSL)7100 5800
TRANSPORT WND (MPH) W 15 NW 12
STABILITY CLASS D D D
MAX LVORI 5 7 6
DISPERSION 102 VERY GOOD 67 GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. MINIMUM RH 43 PERCENT.
LIGHT WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. LIGHT
WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. MINIMUM RH
55 PERCENT. LIGHT WINDS.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. LIGHT
WINDS.
FRIDAY
PARTLY 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
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH
56 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH 49 PERCENT.
NORTH WINDS AROUND 5 MPH.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page