FNUS52 KKEY 180804
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
404 AM EDT Thu Sep 18 2025

.Discussion...
Showers will be plentiful for the next couple of days due to an
unsettled weather pattern, though the frequency of thunderstorm
activity will gradually decrease today. This environment is
unfavorable for fire weather, so concerns are very low at this
time.

FLZ076>078-190215-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
404 AM EDT Thu Sep 18 2025

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     70           60           50
Chance of Thunder (%) 20           20           20
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          88           77           89
Min/Max RH %          72           94           72
Wind 20ft AM (mph)    E  7                      NE  5
Wind 20ft PM (mph)    E  6         NE  6        NE  5
Precip Duration       10           9            4
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.61         0.26         0.17
Mixing Hgt(ft-agl)    2700         1100         3000
Transport Wnd (mph)   NE 13        NE 12        NE 10
Dispersion Index      36           16           33
Max LVORI             4            5            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 70s. North
winds around 5 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 70s. North
winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Northeast winds
around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 80. North winds
around 5 mph.
.MONDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 80. Light winds.
.TUESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. South winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 80. Southwest winds
around 5 mph.
.WEDNESDAY...Sunny with a chance of showers and a slight chance
of thunderstorms. Highs in the upper 80s. Light winds.

$$