052
FNUS52 KKEY 280858
FWFKEY
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
458 AM EDT MON SEP 28 2026
...DISPERSION INDICES BELOW 20 EXPECTED THIS AFTERNOON ACROSS THE
FLORIDA KEYS...
DISCUSSION
BELOW NORMAL RAIN CHANCES EXPECTED TODAY ALONG WITH LIGHT AND
VARIABLE WINDS AT TIMES. THIS WILL PROMOTE POOR DISPERSION INDICES
THIS AFTERNOON. EXPECT MOISTURE TO INCREASE LATER THIS EVENING AND
OVERNIGHT WITH ABOVE NORMAL RAIN/THUNDER CHANCES RETURNING. WINDS
WILL REMAIN LIGHT THROUGH TUESDAY MORNING BUT STEADILY INCREASE
THROUGHOUT THE AFTERNOON. MAY CONTINUE TO SEE DISPERSION INDICES
BELOW 20 ON TUESDAY.
FLZ076>078-282315-
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST
458 AM EDT MON SEP 28 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
CHANCE PRECIP (%) 20 50 60
CHANCE OF THUNDER (%) 20 50 50
WEATHER TYPE TSTMS TSTMS TSTMS
MAX/MIN TEMP 88 77 86
MIN/MAX RH % 58 86 70
WIND 20FT AM (MPH) LGT/VAR LGT/VAR
WIND 20FT PM (MPH) LGT/VAR LGT/VAR SE 5
PRECIP DURATION 1 2 8
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
PRECIP AMOUNT 0.00 0.05 0.25
MIXING HGT(FT-AGL) 3100 1000 2500
TRANSPORT WND (MPH) SW 5 SW 5 SE 9
DISPERSION INDEX 17 6 14
MAX LVORI 3 4 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. EAST WINDS AROUND 10 MPH.
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 15 MPH.
FRIDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 80. EAST WINDS AROUND 10 MPH.
SATURDAY
PARTLY 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.
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