543
FNUS52 KKEY 090958
FWFKEY
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
458 AM EST FRI JAN 9 2026
DISCUSSION
RELATIVELY DRIER AIR MOVING IN ACROSS THE FLORIDA KEYS WILL KEEP
RAIN CHANCES NEAR NIL TODAY. AFTERNOON MIN RH VALUES WILL DIP JUST
BELOW 70 PERCENT AND RECOVER OVERNIGHT TO NEAR 90 PERCENT. GENTLE
TO MODERATE BREEZES WILL MAINTAIN GENERALLY GOOD DISPERSION
INDICES TODAY AND TOMORROW. LOW LEVEL MOISTURE WILL INCREASE
OVERNIGHT ALLOWING FOR SLIGHT CHANCES FOR RAIN TO RETURN THROUGH
THE WEEKEND. CHANCES FOR MEASURABLE RAIN WILL REMAIN LOW.
FLZ076>078-100015-
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST
458 AM EST FRI JAN 9 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
CHANCE PRECIP (%) 0 10 10
CHANCE OF THUNDER (%) 0 0 0
WEATHER TYPE NONE SHOWERS SHOWERS
MAX/MIN TEMP 80 71 80
MIN/MAX RH % 67 91 73
WIND 20FT AM (MPH) E 10 E 9
WIND 20FT PM (MPH) E 10 E 9 E 8
PRECIP DURATION 1 1
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
PRECIP AMOUNT 0.00 0.00 0.00
MIXING HGT(FT-AGL) 3300 1200 2800
TRANSPORT WND (MPH) E 21 E 15 E 13
DISPERSION INDEX 52 15 33
MAX LVORI 4 4 4
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. NORTHEAST WINDS AROUND 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 10 MPH.
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