507
FNUS54 KHUN 171921
FWFHUN
FIRE WEATHER PLANNING FORECAST FOR ALABAMA
NATIONAL WEATHER SERVICE HUNTSVILLE AL
221 PM CDT TUE MAR 17 2026
DISCUSSION
DESPITE CLOUD COVER DURING THE DAY ON WEDNESDAY, MIXING HEIGHTS
IN THE AFTERNOON WILL CLIMB TO BETWEEN 3500 AND 4500 FEET.
SOUTHWESTERLY 20 FOOT WINDS AROUND 10 MPH WITH GUSTS TO BETWEEN 15
AND 20 MPH ARE POSSIBLE. TRANSPORT WINDS WILL BE FROM THE
SOUTHWEST BETWEEN 15 AND 20 MPH. RELATIVE HUMIDITY IN THE
AFTERNOON WILL DROP TO BETWEEN 35 AND 40 PERCENT.
MORE SUNSHINE IS EXPECTED ON THURSDAY. DESPITE HIGHER AFTERNOON
TEMPERATURES, INCREASING MOISTURE ADVECTION WILL HELP TO KEEP
MINIMUM RELATIVE HUMIDITY VALUES BETWEEN 40 AND 45 PERCENT. 20
FOOT WINDS WILL REMAIN SOUTHWEST BETWEEN 5 AND 10 MPH WITH SOME
GUSTS UP TO 15 MPH.
FOG POTENTIAL OVER THE NEXT FEW DAYS: NONE IS EXPECT TONIGHT DUE
WITH EXPECTED CLOUD COVER. SOME PATCHY FOG MAY OCCUR WEDNESDAY
NIGHT INTO EARLY THURSDAY MORNING.
POTENTIAL FOR RED FLAG CONDITIONS: GIVEN HIGH AFTERNOON RELATIVE
HUMIDITY VALUES ON WEDNESDAY AND THURSDAY AND HIGH FUEL MOISTURE,
NONE ARE EXPECTED THROUGH THURSDAY.
ALZ001>003-180930-
LAUDERDALE-COLBERT-FRANKLIN AL-
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,
TUSCUMBIA, RUSSELLVILLE, AND RED BAY
221 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
MIN/MAX TEMP 30 59 38 70
MAX/MIN RH % 65 34 81 45
WIND 20FT AM (MPH) LGT/VAR SW 8 S 4 SW 5
WIND 20FT PM (MPH) LGT/VAR SW 8 S 4 SW 5
CHANCE PRECIP (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 4400 4500
TRANSPORT WND (MPH) SW 21 SW 18
STABILITY CLASS C C D D
MAX LVORI 3 2 4 3
DISPERSION 102 VERY GOOD 91 GOOD
REMARKS...NONE.
ALZ004-014-180930-
LAWRENCE-WINSTON-
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE
221 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
MIN/MAX TEMP 29 58 36 70
MAX/MIN RH % 66 31 84 42
WIND 20FT AM (MPH) LGT/VAR SW 6 LGT/VAR SW 5
WIND 20FT PM (MPH) LGT/VAR SW 6 LGT/VAR SW 5
CHANCE PRECIP (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 4200 5100
TRANSPORT WND (MPH) SW 18 SW 17
STABILITY CLASS D C D D
MAX LVORI 3 3 4 3
DISPERSION 89 GOOD 99 GOOD
REMARKS...NONE.
ALZ005>007-016-180930-
LIMESTONE-MADISON-MORGAN-CULLMAN-
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN
221 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
MIN/MAX TEMP 29 58 36 69
MAX/MIN RH % 66 34 82 43
WIND 20FT AM (MPH) LGT/VAR SW 6 LGT/VAR SW 5
WIND 20FT PM (MPH) LGT/VAR SW 6 LGT/VAR SW 5
CHANCE PRECIP (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 4300 5600
TRANSPORT WND (MPH) SW 18 SW 17
STABILITY CLASS D D D D
MAX LVORI 3 3 4 3
DISPERSION 76 GOOD 97 GOOD
REMARKS...NONE.
ALZ008>010-180930-
MARSHALL-JACKSON-DEKALB-
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE
221 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
MIN/MAX TEMP 26 55 32 66
MAX/MIN RH % 66 39 85 45
WIND 20FT AM (MPH) LGT/VAR S 5 LGT/VAR SW 5
WIND 20FT PM (MPH) LGT/VAR S 5 LGT/VAR SW 5
CHANCE PRECIP (%) 0 0 0 0
PRECIP TYPE NONE NONE NONE NONE
PRECIP DURATION
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 3700 5200
TRANSPORT WND (MPH) SW 16 SW 17
STABILITY CLASS D D D D
MAX LVORI 3 3 4 4
DISPERSION 46 GEN GOOD 100 GOOD
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. LIGHT
WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. MINIMUM RH
46 PERCENT. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. LIGHT WINDS.
SATURDAY
SUNNY. HIGHS AROUND 80. MINIMUM RH 41 PERCENT. SOUTH
WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 50S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. MINIMUM RH 43 PERCENT.
SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH
42 PERCENT. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH
48 PERCENT. EAST WINDS AROUND 10 MPH.
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