229
FNUS52 KKEY 090759 AAA
FWFKEY

Fire Weather Planning Forecast for the Florida Keys...UPDATED
National Weather Service Key West FL
359 AM EDT Sun Aug 9 2026

.Discussion...
Seasonably warm and humid conditions will continue across the
Keys over the next couple of days. Minimum RH values will be in
the 80 to 90 percent range with afternoon minimums in the 60
percent range. Gentle easterly breezes will tend to peak
overnight and lull during the day. There will be a chance for
showers and a slight chance for thunderstorms today and tonight,
giving way to slight chances across the board tomorrow.


FLZ076>078-100145-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
359 AM EDT Sun Aug 9 2026

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     30           30           20
Chance of Thunder (%) 20           20           20
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          91           83           92
Min/Max RH %          61           81           61
Wind 20ft AM (mph)    E  9                      E 10
Wind 20ft PM (mph)    E  9         E 10         E  9
Precip Duration       2            2            1
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.07         0.02         0.00
Mixing Hgt(ft-agl)    3800         2100         3500
Transport Wnd (mph)   E 16         E 21         E 16
Dispersion Index      53           26           49
Max LVORI             4            3            3

Remarks...None.

$$

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

$$