618
FNUS52 KKEY 020826
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
426 AM EDT Wed Sep 2 2026

.Discussion...
Chances of showers and thunderstorms expected as ample moisture
remains across the Keys. Relative humidity values are expected to
recover to the upper 80s percent overnight with min RH values in
the mid 60s during the afternoon hours. Generally, light to gentle
easterly breezes are expected for the next several days,
occasionally becoming gentle to moderate breezes. Dispersion
indices are expected to be generally poor to fair over the next
couple of days.

FLZ076>078-030215-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
426 AM EDT Wed Sep 2 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     30           40           50
Chance of Thunder (%) 30           40           50
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          91           82           91
Min/Max RH %          65           88           68
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         0.05         0.02         0.01
Mixing Hgt(ft-agl)    2900         1700         2800
Transport Wnd (mph)   E  3         SE  7        E  5
Dispersion Index      15           6            16
Max LVORI             4            5            4

Remarks...None.

$$

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

$$