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
897
FNUS52 KKEY 300827
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
427 AM EDT Sun Aug 30 2026

.Discussion...
Chances of showers and thunderstorms expected for the next
several days as ample moisture remains across the Keys. Relative
humidity values are expected to recover to the lower 90s percent
overnight with min RH values in the mid 60s during the afternoon
hours. Generally, light to gentle east to southeasterly breezes
are expected for the next several days, occasionally becoming
gentle to moderate breezes. Dispersion indices are expected to be
generally fair over the next couple of days.

FLZ076>078-310045-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
427 AM EDT Sun Aug 30 2026

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Mclear
Chance Precip (%)     50           40           40
Chance of Thunder (%) 50           40           40
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          90           81           90
Min/Max RH %          67           93           66
Wind 20ft AM (mph)    SE  8                     E  5
Wind 20ft PM (mph)    E  6         E  6         Lgt/Var
Precip Duration       2            2            2
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.07         0.10         0.05
Mixing Hgt(ft-agl)    3200         600          3200
Transport Wnd (mph)   E 10         E 15         E 10
Dispersion Index      39           12           36
Max LVORI             4            5            4

Remarks...None.

$$

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

$$

MJV