522
FNUS52 KKEY 180941
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
441 AM EST Sun Jan 18 2026

.Discussion...
A cold front currently draped across Georgia/Florida Panhandle
extends southwestward through the Gulf and into the Bay of
Campeche. This front will continue moving southeastward through
the day. Moisture pooling ahead of the front will result in
chances of showers for today with slight chances for tonight and
drier air infiltrates the Keys. Dry air will dominate for Monday
leading to near nil rain chances. Breezes will also sharply
increase out of the northwest to north this afternoon after the
front passes through. Breezy to windy conditions are then expected
to prevail through Monday becoming north to northeast later in
the day. Much cooler, drier, and less humid will follow in its
wake. Min RH values are expected to be in the upper 70s percent
today and in the mid 50s percent for Monday with good RH recovery
overnight to near 100 percent.

FLZ076>078-190200-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
441 AM EST Sun Jan 18 2026

                      Today        Tonight      Mon

Cloud Cover           Mcldy        Pcldy        Pcldy
Chance Precip (%)     40           10           0
Chance of Thunder (%) 0            0            0
Weather Type          Showers      Showers      None
Max/Min Temp          76           52           67
Min/Max RH %          77           100          55
Wind 20ft AM (mph)    Lgt/Var                   N 14 G21
Wind 20ft PM (mph)    NW  8 G23    N 13 G23     N 10
Precip Duration       2            1
Precip Begin          6 AM         Continuing
Precip End            Continuing   6 AM
Precip Amount         0.05         0.01         0.00
Mixing Hgt(ft-agl)    1500         500          2600
Transport Wnd (mph)   W 24         NW 24        NE 17
Dispersion Index      17           25           40
Max LVORI             9            4            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
around 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. North winds
around 15 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. Northeast
winds around 15 mph.
.WEDNESDAY...Partly sunny with a slight chance of showers. Highs
in the mid 70s. Northeast winds around 15 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the upper 60s. Northeast winds around 10 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Highs in the
upper 70s. East winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. North winds around 10 mph.
.FRIDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Northeast winds around 10 mph.
.FRIDAY NIGHT...Mostly clear with a slight chance of showers.
Lows around 70. Northeast winds around 10 mph.
.SATURDAY...Sunny with a slight chance of showers. Highs in the
upper 70s. East winds around 5 mph.

$$

MJV