806
FNUS52 KKEY 290947
FWFKEY
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
547 AM EDT TUE SEP 29 2026
DISCUSSION
MOISTURE WILL CONTINUE TO FUNNEL IN FROM THE WESTERN CARIBBEAN
TODAY, RESULTING IN WELL ABOVE NORMAL RAIN/THUNDER CHANCES. LIGHT
AND VARIABLE WINDS WILL BECOME EAST TO SOUTHEAST TOWARDS MIDDAY
AND EARLY AFTERNOON AND GRADUALLY INCREASE. THIS SHOULD KEEP
DISPERSION INDICES JUST ABOVE 20 THIS AFTERNOON.
ACTIVE WEATHER EXPECTED FOR THE NEXT SEVERAL DAYS WITH WINDS
FURTHER INCREASING. IT IS BECOMING INCREASINGLY LIKELY THAT WE
WILL SEE A BRIEF PERIOD OF BREEZY CONDITIONS WEDNESDAY NIGHT
THROUGH EARLY FRIDAY.
FLZ076>078-292345-
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST
547 AM EDT TUE SEP 29 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
CHANCE PRECIP (%) 70 60 70
CHANCE OF THUNDER (%) 50 50 50
WEATHER TYPE TSTMS TSTMS TSTMS
MAX/MIN TEMP 87 76 88
MIN/MAX RH % 71 92 70
WIND 20FT AM (MPH) E 5 E 8
WIND 20FT PM (MPH) SE 6 SE 5 E 9
PRECIP DURATION 8 9 9
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
PRECIP AMOUNT 0.33 0.18 0.20
MIXING HGT(FT-AGL) 2700 500 3200
TRANSPORT WND (MPH) E 9 E 10 E 18
DISPERSION INDEX 22 11 32
MAX LVORI 5 5 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 70S. EAST WINDS AROUND
10 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS AROUND 80. EAST WINDS AROUND 10 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 IN THE LOWER 80S. EAST WINDS AROUND 10 MPH.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 15 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS AROUND 80. EAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT 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. EAST WINDS AROUND 5 MPH.
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