489
FNUS52 KKEY 220835
FWFKEY
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
435 AM EDT FRI MAY 22 2026
DISCUSSION
ENHANCED MOISTURE ACROSS THE KEYS WILL MAINTAIN NEAR NORMAL RAIN
AND THUNDER CHANCES THROUGH SATURDAY. THAT BEING SAID, THE
ISOLATED TO SCATTERED NATURE OF THESE SHOWERS WILL MEAN THAT
RAINFALL AMOUNTS WILL BE HIGHLY VARIABLE. GENTLE TO MODERATE
EASTERLY BREEZES ARE EXPECTED THROUGH THE NEXT FEW DAYS PEAKING IN
THE EVENINGS AND OVERNIGHT AND LULLING DURING THE AFTERNOON. THIS
WILL KEEP DAYTIME DISPERSION INDICES IN THE MID 50S OVER THE NEXT
COUPLE OF DAYS. MIN RH VALUES WILL BE IN THE MID 60S PERCENT
TODAY AND SATURDAY WITH GOOD RH RECOVERY OVERNIGHT TO THE UPPER
80S PERCENT.
FLZ076>078-230115-
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST
435 AM EDT FRI MAY 22 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR MCLEAR
CHANCE PRECIP (%) 30 20 30
CHANCE OF THUNDER (%) 20 20 20
WEATHER TYPE TSTMS TSTMS TSTMS
MAX/MIN TEMP 89 80 90
MIN/MAX RH % 66 88 67
WIND 20FT AM (MPH) SE 10 E 9
WIND 20FT PM (MPH) E 8 E 9 E 8
PRECIP DURATION 2 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
PRECIP AMOUNT 0.01 0.00 0.01
MIXING HGT(FT-AGL) 3500 2000 3300
TRANSPORT WND (MPH) SE 15 E 21 E 14
DISPERSION INDEX 56 23 54
MAX LVORI 3 4 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 80S. EAST WINDS
AROUND 10 MPH.
SUNDAY
SUNNY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 80S. EAST WINDS
AROUND 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 80S. EAST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 80S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 80. SOUTHEAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
MJV
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