689
FNUS52 KKEY 180752
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
352 AM EDT Fri Jul 18 2025

.Discussion...
Below normal rain and thunder chances are expected over the next
several days. Transport winds out of the east to southeast will
remain moderate to occasionally fresh today. Combined with a well-
mixed boundary layer, dispersion indices will be high. Breezes
will gradually slacken this weekend. Despite the low rain chances,
minimum relative humidity values will remain well above 60%,
promoting low fire risks through Sunday.

FLZ076>078-190200-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
352 AM EDT Fri Jul 18 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Mclear
Chance Precip (%)     20           20           20
Chance of Thunder (%) 20           20           20
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          89           81           90
Min/Max RH %          69           89           66
Wind 20ft AM (mph)    E 11                      E  9
Wind 20ft PM (mph)    E  9         E  8         E  8
Precip Duration       1            1            1
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.01         0.09         0.03
Mixing Hgt(ft-agl)    3100         1400         2900
Transport Wnd (mph)   E 21         E 18         E 16
Dispersion Index      54           19           49
Max LVORI             4            4            4

Remarks...None.

$$

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

$$