267
FNUS52 KKEY 290829
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
429 AM EDT Sat Aug 29 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 upper 80s percent
overnight with min RH values in the mid 60s during the afternoon
hours, except low to mid 50s for Big Pine Key. 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 to good over
the next couple of days.

FLZ076>078-300115-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
429 AM EDT Sat Aug 29 2026

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     50           50           50
Chance of Thunder (%) 50           50           50
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          91           82           92
Min/Max RH %          64           90           65
Wind 20ft AM (mph)    E  6                      SE  7
Wind 20ft PM (mph)    E  6         E  7         E  5
Precip Duration       2            2            2
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.05         0.10         0.06
Mixing Hgt(ft-agl)    3400         1100         3300
Transport Wnd (mph)   E 13         E 16         E 13
Dispersion Index      40           13           43
Max LVORI             4            5            4

Remarks...None.

$$

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

$$

MJV