Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Key West, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3
080
FNUS52 KKEY 300844
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
444 AM EDT Wed Sep 30 2026

.Discussion...
Moisture will continue to be transported northward from the
western Caribbean today, resulting in well above normal
rain/thunder chances. This will also help to keep afternoon min RH
values in the 70 percentile. East to southeast winds have
returned across the region and will steadily increase through the
afternoon. Expect breezy conditions to develop and continue
through Thursday night.


FLZ076>078-302315-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
444 AM EDT Wed Sep 30 2026

                      Today        Tonight      Thu

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     70           70           70
Chance of Thunder (%) 50           50           50
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          88           78           89
Min/Max RH %          71           94           73
Wind 20ft AM (mph)    E  7                      E 12
Wind 20ft PM (mph)    E 10         E 11         E 12
Precip Duration       9            12           10
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.46         0.43         0.36
Mixing Hgt(ft-agl)    3300         1200         2700
Transport Wnd (mph)   E 18         E 21         E 21
Dispersion Index      34           23           42
Max LVORI             4            4            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 80. East winds around 15 mph.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the upper 80s. East winds around 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 80. East winds around 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. East winds around 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 80. East winds around 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. East winds around 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows around 80. East winds around 10 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Southeast winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 70s. Southeast winds around
5 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Southeast winds around
5 mph.

$$