994
FNUS52 KKEY 150829
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
429 AM EDT Sat Aug 15 2026

.Discussion...
A weak wave will move west away from the Florida Keys this
afternoon. The elevated amount of moisture, responsible for
yesterday`s shower and thunderstorms, will move west of the Keys.
Shower chances and humidity values will begin to decrease tonight
with the lowest humidity values, in the lower 60s, expected in
the interior of the largest islands. East to southeast winds will
start to slacken tomorrow, reducing dispersion indices across
the island chain. Expect slackening winds to continue into the
start of the work week.

FLZ076>078-160000-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
429 AM EDT Sat Aug 15 2026

                      Today        Tonight      Sun

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     20           0            0
Chance of Thunder (%) 20           0            0
Weather Type          Tstms        None         None
Max/Min Temp          92           83           92
Min/Max RH %          65           86           64
Wind 20ft AM (mph)    SE  7                     E  5
Wind 20ft PM (mph)    E  5         E  6         E  6
Precip Duration       3
Precip Begin          6 AM
Precip End            6 PM
Precip Amount         0.01         0.00         0.00
Mixing Hgt(ft-agl)    3600         1700         2800
Transport Wnd (mph)   E 10         E 15         E 10
Dispersion Index      49           12           33
Max LVORI             4            4            4

Remarks...None.

$$

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

$$