478
FNUS52 KKEY 080816
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
416 AM EDT Tue Sep 8 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. However, a more prevailing light easterly breeze
will develop overnight into tomorrow. Overall, fire weathers
concerns will remain low due to the moist airmass and elevated
rain chances.


FLZ076>078-090045-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
416 AM EDT Tue Sep 8 2026

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     40           30           30
Chance of Thunder (%) 20           20           20
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          92           82           92
Min/Max RH %          62           88           63
Wind 20ft AM (mph)    Lgt/Var                   E  5
Wind 20ft PM (mph)    Lgt/Var      Lgt/Var      E  6
Precip Duration       2            2            2
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.10         0.05         0.06
Mixing Hgt(ft-agl)    3300         800          3500
Transport Wnd (mph)   SE  3        E  9         E 14
Dispersion Index      12           5            45
Max LVORI             5            5            4

Remarks...None.

$$

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

$$