FNUS52 KKEY 220852
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
452 AM EDT Thu Oct 22 2026

.Discussion...
Gentle to moderate north to northeast breezes are expected today,
though, a brief period of light to gentle breezes is possible
this afternoon and evening. Breezes freshen in earnest tonight
through Friday becoming moderate to fresh. Transport winds will
generally be gentle to moderate today becoming fresh to strong
tonight and Friday. Dry air remains entrenched across much of the
Keys today with only slight chances possible for the Upper Keys.
Moisture begins to increase in earnest nearly everywhere tonight
leading to increasing rain chances heading into the weekend. The
weekend looks fairly wet at this time along with a period of
strong to near gale breezes possible over the weekend. Min RH
values will be in the mid 50s percent today with near 60 percent
for Friday and good max RH recovery overnight into the mid 80s
percent.

FLZ076>078-230145-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
452 AM EDT Thu Oct 22 2026

                      Today        Tonight      Fri

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     10           20           40
Chance of Thunder (%) 0            20           20
Weather Type          Showers      Tstms        Tstms
Max/Min Temp          83           73           82
Min/Max RH %          57           84           60
Wind 20ft AM (mph)    N  9                      NE 11
Wind 20ft PM (mph)    N  6         NE  8        NE 10
Precip Duration       1            1            2
Precip Begin          8 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.00         0.00         0.04
Mixing Hgt(ft-agl)    3800         800          3700
Transport Wnd (mph)   N 12         NE 21        NE 24
Dispersion Index      37           24           58
Max LVORI             4            3            3

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 lower 70s. Northeast
winds around 15 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 80s. Northeast winds around
15 mph.
.SATURDAY NIGHT...Partly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 70s. Northeast winds around
15 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Northeast winds around
15 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 70s. Northeast winds around
20 mph.
.MONDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Northeast winds around
20 mph.
.MONDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows in the mid 70s. Northeast winds around
20 mph.
.TUESDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Northeast winds around
20 mph.
.TUESDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows in the mid 70s. Northeast winds around
15 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Northeast winds
around 15 mph.

$$

MJV