FNUS52 KKEY 170851
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
451 AM EDT Sat Oct 17 2026

.Discussion...
The environment will remain primed for showers and thunderstorms
today and tonight ahead of an approaching cold front. Moisture
will be abundant with dew points in the mid to upper 70s even
during lulls in shower activity. Breezes are expected to rapidly
freshen tonight as the cold front nears the island chain. Fresh
to strong breezes are likely tomorrow. Min RH values will remain
high, near 70 percent to the lower 70s, today and Sunday.

FLZ076>078-172315-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
451 AM EDT Sat Oct 17 2026

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Mcldy
Chance Precip (%)     50           90           70
Chance of Thunder (%) 20           50           50
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          87           75           85
Min/Max RH %          73           98           74
Wind 20ft AM (mph)    Lgt/Var                   NE 11
Wind 20ft PM (mph)    Lgt/Var      N  5         NE 11
Precip Duration       2            10           10
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.17         0.33         0.49
Mixing Hgt(ft-agl)    2400         1600         3000
Transport Wnd (mph)   NW  8        NE 20        NE 23
Dispersion Index      12           20           44
Max LVORI             5            5            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 70s. Northeast winds around
10 mph.
.MONDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Northeast winds
around 20 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 70s. Northeast winds around 15 mph.
.TUESDAY...Sunny with a slight chance of showers. Highs in the
mid 80s. Northeast winds around 15 mph.
.TUESDAY NIGHT...Mostly clear with a slight chance of showers.
Lows in the mid 70s. Northeast winds around 15 mph.
.WEDNESDAY...Sunny with a slight chance of showers. Highs in the
mid 80s. North winds around 15 mph.
.WEDNESDAY NIGHT...Mostly clear with a slight chance of showers.
Lows in the mid 70s. Northeast winds around 15 mph.
.THURSDAY...Sunny with a slight chance of showers. Highs in the
lower 80s. North winds around 15 mph.
.THURSDAY NIGHT...Mostly clear with a slight chance of showers.
Lows in the mid 70s. North winds around 10 mph.
.FRIDAY...Sunny with a chance of showers. Highs in the lower 80s.
North winds around 10 mph.

$$