487
FNUS52 KKEY 300936
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
436 AM EST Tue Dec 30 2025

.Discussion...
A few showers will be possible this morning with the passage of
the cold front. Nil rain chances are expected thereafter as drier
air filters into the area. Expect freshening northwest to north
breezes today with these breezes persisting through at least early
Wednesday morning before slackening. Sharply colder weather is
also expected with temperatures falling to 5 to 10 degrees below
normal and dew points slipping into the 40s, potentially even the
30s. Min RH values are expected to be in the mid 40s percent today
and mid 30s percent Wednesday with max RH recovering to near 80
percent at night.

FLZ076>078-310300-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
436 AM EST Tue Dec 30 2025

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Mclear       Clear
Chance Precip (%)     10           0            0
Chance of Thunder (%) 0            0            0
Weather Type          Showers      None         None
Max/Min Temp          70           50           64
Min/Max RH %          44           81           35
Wind 20ft AM (mph)    NW  8                     N 12 G19
Wind 20ft PM (mph)    NW 10 G20    N 12 G20     N  9
Precip Duration       1
Precip Begin          7 AM
Precip End            1 PM
Precip Amount         0.00         0.00         0.00
Mixing Hgt(ft-agl)    2300         800          2500
Transport Wnd (mph)   NW 20        N 22         N 15
Dispersion Index      31           23           38
Max LVORI             7            3            3

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 10 mph.
.THURSDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. North
winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Light winds.
.SATURDAY...Sunny. Highs in the mid 70s. Light winds.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph.
.SUNDAY...Sunny. Highs in the upper 70s. West winds around 5 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. West winds
around 5 mph.
.MONDAY...Sunny. Highs in the upper 70s. Northwest winds around
5 mph.

$$

MJV