FNUS52 KKEY 150909
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
509 AM EDT Sun Mar 15 2026

.Discussion...
An active weather day is expected today with the potential for
multiple rounds of showers and thunderstorms. Some storms this
afternoon may contain strong winds. Rainfall amounts will be
highly dependent on where storms develop. Today will be the first
of multiple days for active weather with the potential for
wetting rains.


FLZ076>078-152330-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
509 AM EDT Sun Mar 15 2026

                      Today        Tonight      Mon

Cloud Cover           Mcldy        Pcldy        Pcldy
Chance Precip (%)     60           50           50
Chance of Thunder (%) 50           50           50
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          85           74           83
Min/Max RH %          69           90           71
Wind 20ft AM (mph)    SE 10                     S 10
Wind 20ft PM (mph)    SE 10        SE  9        S 11
Precip Duration       8            4            2
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.06         0.08         0.10
Mixing Hgt(ft-agl)    2800         1200         2500
Transport Wnd (mph)   SE 14        SE 21        S 18
Dispersion Index      33           20           35
Max LVORI             4            4            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds around
10 mph.
.TUESDAY...Cloudy with a chance of showers and thunderstorms.
Highs in the mid 70s. Northwest to north winds 15 to 20 mph.
.TUESDAY NIGHT...Cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. North to northeast winds
around 20 mph.
.WEDNESDAY...Cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 70s. North winds around 20 mph.
.WEDNESDAY NIGHT...Cloudy with a chance of showers and a slight
chance of thunderstorms. Lows in the mid 60s. North winds around
20 mph.
.THURSDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 70s. North winds around
20 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds 15 to 20 mph.
.FRIDAY...Sunny with a slight chance of showers. Highs in the mid
70s. North winds around 15 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds around 10 mph.
.SATURDAY...Sunny. Highs in the mid 70s. North winds around
5 mph.

$$