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

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FNUS52 KKEY 180832
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
432 AM EDT Mon Aug 18 2025

.Discussion...
As Hurricane Erin moves far to our east, winds will shift to the
northwest then the west. Rain and thunder chances will remain near
normal through the next several days. Despite the overall
generally dry conditions, minimum relative humidity values will
remain well above 60%.

FLZ076>078-190230-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
432 AM EDT Mon Aug 18 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     30           30           30
Chance of Thunder (%) 20           20           20
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          91           80           92
Min/Max RH %          64           89           67
Wind 20ft AM (mph)    Lgt/Var                   Lgt/Var
Wind 20ft PM (mph)    Lgt/Var      Lgt/Var      Lgt/Var
Precip Duration       2            2            2
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.04         0.06         0.06
Mixing Hgt(ft-agl)    2800
Transport Wnd (mph)   SE  7        N/A          N/A
Dispersion Index      16
Max LVORI             4

Remarks...None.

$$

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

$$