080
FNUS52 KKEY 300844
FWFKEY
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
444 AM EDT WED SEP 30 2026
DISCUSSION
MOISTURE WILL CONTINUE TO BE TRANSPORTED NORTHWARD FROM THE
WESTERN CARIBBEAN TODAY, RESULTING IN WELL ABOVE NORMAL
RAIN/THUNDER CHANCES. THIS WILL ALSO HELP TO KEEP AFTERNOON MIN RH
VALUES IN THE 70 PERCENTILE. EAST TO SOUTHEAST WINDS HAVE
RETURNED ACROSS THE REGION AND WILL STEADILY INCREASE THROUGH THE
AFTERNOON. EXPECT BREEZY CONDITIONS TO DEVELOP AND CONTINUE
THROUGH THURSDAY NIGHT.
FLZ076>078-302315-
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST
444 AM EDT WED SEP 30 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
CHANCE PRECIP (%) 70 70 70
CHANCE OF THUNDER (%) 50 50 50
WEATHER TYPE TSTMS TSTMS TSTMS
MAX/MIN TEMP 88 78 89
MIN/MAX RH % 71 94 73
WIND 20FT AM (MPH) E 7 E 12
WIND 20FT PM (MPH) E 10 E 11 E 12
PRECIP DURATION 9 12 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
PRECIP AMOUNT 0.46 0.43 0.36
MIXING HGT(FT-AGL) 3300 1200 2700
TRANSPORT WND (MPH) E 18 E 21 E 21
DISPERSION INDEX 34 23 42
MAX LVORI 4 4 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 80. EAST WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 80. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 80. EAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 80. EAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 70S. SOUTHEAST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
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