315
FNUS52 KKEY 110809
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
409 AM EDT Fri Sep 11 2026

.Discussion...
Expect slightly higher than normal shower and thunderstorm
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.


FLZ076>078-120230-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
409 AM EDT Fri Sep 11 2026

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     40           40           50
Chance of Thunder (%) 40           40           50
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          91           82           91
Min/Max RH %          68           90           68
Wind 20ft AM (mph)    SE  6                     SE  6
Wind 20ft PM (mph)    E  6         E  7         SE  5
Precip Duration       2            2            2
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.09         0.03         0.05
Mixing Hgt(ft-agl)    3300         1200         3200
Transport Wnd (mph)   SE 14        E 16         SE 10
Dispersion Index      43           14           27
Max LVORI             4            5            5

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. Southeast winds around
5 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. Southeast winds around 5 mph.
.SUNDAY NIGHT...Partly 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. East winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. East winds around 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. East winds around 10 mph.
.TUESDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. Northeast winds around
15 mph.
.WEDNESDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. East winds around 15 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 a chance of showers and
thunderstorms. Highs in the upper 80s. East winds around 10 mph.

$$