FNUS52 KKEY 070900
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
500 AM EDT Mon Sep 7 2026

.Discussion...
Ample tropical moisture will remain across the Florida Keys
through the next 24 hours, supporting scattered showers and
thunderstorms. RH will remain elevated with overnight recovery
into the mid 80s and minimum afternoon values of mid 60s. Light
and variable winds are expected with generally poor to
fair dispersion. Overall, fire weathers concerns will remain low
due to the moist airmass and elevated rain chances.

FLZ076>078-080145-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
500 AM EDT Mon Sep 7 2026

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     40           40           40
Chance of Thunder (%) 40           40           40
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          91           82           92
Min/Max RH %          64           86           63
Wind 20ft AM (mph)    Lgt/Var                   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         0.13         0.07         0.09
Mixing Hgt(ft-agl)    3000         800          2900
Transport Wnd (mph)   SW  5        E  3         E  6
Dispersion Index      13           3            14
Max LVORI             5            5            5

Remarks...None.

$$

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

$$