479
FNUS52 KKEY 120816
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
416 AM EDT Sat Sep 12 2026

.Discussion...
Shower and thunderstorm probability will remain slightly above
normal at least through today. chances over the next couple of
days. Conditions will remain seasonable. RH will bottom out in
the mid 60s in the afternoon and recover into the 80s overnight.
Winds will be light to gentle out of the east to southeast, but
some variability would not be surprising.


FLZ076>078-130215-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
416 AM EDT Sat Sep 12 2026

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     50           40           40
Chance of Thunder (%) 50           40           40
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          91           81           91
Min/Max RH %          65           90           64
Wind 20ft AM (mph)    SE  5                     Lgt/Var
Wind 20ft PM (mph)    Lgt/Var      Lgt/Var      Lgt/Var
Precip Duration       2            2            2
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.06         0.06         0.06
Mixing Hgt(ft-agl)    3000         500          3400
Transport Wnd (mph)   SE  8        SE 13        SE  5
Dispersion Index      26           7            13
Max LVORI             4            5            5

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. North winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. East winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. East winds around 5 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. East winds around 5 mph.
.TUESDAY NIGHT...Partly cloudy with showers and thunderstorms
likely. Lows in the lower 80s. East winds around 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs around
90. East winds around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 80s. Northeast winds around
10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. East winds around 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. East winds around 10 mph.
.FRIDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. East winds around 5 mph.

$$