145
FNUS54 KHUN 201838
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
138 PM CDT SUN SEP 20 2026
DISCUSSION
ISOLATED TO SCATTERED SHOWERS AND STORMS ARE EXPECTED TO DEVELOP
THIS AFTERNOON BEFORE DISSIPATING BY THE EARLY EVENING HOURS.
THIS TREND WILL CONTINUE ON MONDAY AFTERNOON INTO MONDAY EVENING.
20 FOOT WINDS WILL REMAIN LIGHT AND VARIABLE WITH TRANSPORT WINDS
FROM THE W TO NW BETWEEN 5 AND 10 MPH. MIXING HEIGHTS WILL CLIMB
TO BETWEEN 6500 FEET AND 8000 FEET PRIMARILY. AFTERNOON RELATIVE
HUMIDITY VALUES ARE EXPECTED TO DROP TO AROUND 40 PERCENT IN THE
AFTERNOON.
A HIGHER COVERAGE OF SHOWERS AND THUNDERSTORMS ARE EXPECTED ON
TUESDAY AFTERNOON AND NIGHT. 20 FOOT WINDS WILL BECOME NORTHERLY
AROUND 5 MPH OR LESS WITH NORTHERLY TRANSPORT WINDS AROUND 10 MPH.
MIXING HEIGHTS SHOULD STILL CLIMB TO AROUND 5000 FEET, DESPITE
LOWER AFTERNOON TEMPERATURES. WITH LOWER AFTERNOON TEMPERATURES,
AFTERNOON RELATIVE HUMIDITY VALUES SHOULD ONLY DROP TO AROUND
50 PERCENT.
FOG POTENTIAL OVER THE NEXT FEW DAYS: SOME PATCHY FOG IS
POSSIBLE, ESPECIALLY WHERE SCATTERED AREAS OF HEAVIER RAIN OCCURS.
POTENTIAL FOR RED FLAG CONDITIONS: NONE ARE EXPECTED WITH MINIMUM
AFTERNOON RELATIVE HUMIDITY VALUES EXPECTED.
ALZ001>003-210930-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
138 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
MIN/MAX TEMP 71 96 68 92
MAX/MIN RH % 94 40 100 51
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR N 4
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR N 4
CHANCE PRECIP (%) 0 0 30 40
PRECIP TYPE NONE NONE TSTMS TSTMS
PRECIP DURATION 1 1
PRECIP AMOUNT 0.00 0.00 0.02 0.02
MIXING HGT(FT-AGL/MSL) 8500 6200
TRANSPORT WND (MPH) W 7 N 7
STABILITY CLASS D D D D
MAX LVORI 6 6 9 7
DISPERSION 64 GOOD 44 GEN GOOD
REMARKS...NONE.
ALZ004-014-210930-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
138 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
MIN/MAX TEMP 70 95 68 92
MAX/MIN RH % 98 40 100 48
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
CHANCE PRECIP (%) 0 0 40 50
PRECIP TYPE NONE NONE TSTMS TSTMS
PRECIP DURATION 2 1
PRECIP AMOUNT 0.00 0.00 0.05 0.03
MIXING HGT(FT-AGL/MSL) 7800 5100
TRANSPORT WND (MPH) NW 5 N 7
STABILITY CLASS D D D D
MAX LVORI 7 6 9 8
DISPERSION 41 GEN GOOD 40 FAIR
REMARKS...NONE.
ALZ005>007-016-210930-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
138 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
MIN/MAX TEMP 70 94 67 91
MAX/MIN RH % 98 43 100 52
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
CHANCE PRECIP (%) 0 0 40 50
PRECIP TYPE NONE NONE TSTMS TSTMS
PRECIP DURATION 2 1
PRECIP AMOUNT 0.00 0.00 0.05 0.06
MIXING HGT(FT-AGL/MSL) 7200 4900
TRANSPORT WND (MPH) W 5 N 7
STABILITY CLASS D D D D
MAX LVORI 7 6 9 8
DISPERSION 36 FAIR 40 FAIR
REMARKS...NONE.
ALZ008>010-210930-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
138 PM CDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
MIN/MAX TEMP 69 93 67 90
MAX/MIN RH % 98 48 100 57
WIND 20FT AM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT PM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
CHANCE PRECIP (%) 0 30 40 70
PRECIP TYPE NONE TSTMS TSTMS TSTMS
PRECIP DURATION 1 2 4
PRECIP AMOUNT 0.00 0.03 0.05 0.17
MIXING HGT(FT-AGL/MSL) 6700 4700
TRANSPORT WND (MPH) W 5 NW 7
STABILITY CLASS D D D D
MAX LVORI 7 7 10 8
DISPERSION 33 FAIR 31 FAIR
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. MINIMUM RH 61 PERCENT. NORTH WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
59 PERCENT. NORTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
55 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH
49 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. MINIMUM RH
43 PERCENT. LIGHT WINDS.
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