708
FNUS52 KKEY 240010
FWFKEY
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
710 PM EST MON FEB 23 2026
DISCUSSION
RELATIVE HUMIDITY VALUES OVER THE UPPER KEYS HAVE INCREASED ABOVE
35 PERCENT, THEREFORE THE RED FLAG WARNING WAS ALLOWED TO EXPIRE. COOL,
DRY, AND WINDY CONDITIONS WILL PERSIST OVER THE NEXT COUPLE OF
DAYS. BREEZES ARE EXPECTED TO FRESHEN ONCE MORE OVER THE UPPER
KEYS TONIGHT DUE TO WIND DRAINAGE FROM MAINLAND. RELATIVE HUMIDITY
IS EXPECTED TO BE HIGHER ON TUESDAY, DUE TO TEMPERATURES EXPECTED
TO BE SLIGHTLY COOLER. IN ADDITION, BREEZES ARE ANTICIPATED TO
DIMINISH SIGNIFICANTLY.
FLZ076-240915-
MONROE UPPER KEYS-
INCLUDING THE CITY OF KEY LARGO
710 PM EST MON FEB 23 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
WEATHER TYPE NONE NONE NONE NONE
MIN/MAX TEMP 44 63 49 72
MAX/MIN RH % 77 39 100 53
WIND 20FT AM (MPH) N 12 E 6
WIND 20FT PM (MPH) NW 14 N 7 LGT/VAR SE 6
PRECIP DURATION
PRECIP BEGIN
PRECIP END
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL) 1200 2700 1100 3600
TRANSPORT WND (MPH) NW 20 NE 8 NE 9 SE 9
DISPERSION INDEX 22 31 4 34
MAX LVORI 3 3 6 6
REMARKS...NONE.
FLZ077-078-240915-
MONROE MIDDLE KEYS-MONROE LOWER KEYS-
INCLUDING THE CITIES OF MARATHON AND KEY WEST
710 PM EST MON FEB 23 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
WEATHER TYPE NONE NONE NONE NONE
MIN/MAX TEMP 50 64 56 72
MAX/MIN RH % 75 38 90 56
WIND 20FT AM (MPH) N 14 E 6
WIND 20FT PM (MPH) NW 17 N 8 LGT/VAR SE 7
PRECIP DURATION
PRECIP BEGIN
PRECIP END
PRECIP AMOUNT 0.00 0.00 0.00 0.00
MIXING HGT(FT-AGL) 1800 2600 1600 3600
TRANSPORT WND (MPH) N 24 N 15 NE 9 SE 13
DISPERSION INDEX 34 36 6 41
MAX LVORI 3 3 4 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
FRIDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS AROUND 70. EAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 70S. EAST WINDS AROUND 10 MPH.
11/JAM
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