FNUS52 KKEY 210846
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
446 AM EDT Wed Oct 21 2026

.Discussion...
Moderate to fresh north to northeast breezes this morning are
expected to slacken to light to gentle breezes this afternoon
continuing through Thursday. Transport winds will remain gentle to
moderate through Thursday. Near nil rain chances are expected
through Thursday as dry air remains entrenched across the Island
Chain. Any showers will most likely remain just south of the Chain
across the Straits of Florida. Min RH values will be in the lower
50s percent today with mid 50s for Thursday and good max RH
recovery overnight into the mid 80s percent.

FLZ076>078-220130-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
446 AM EDT Wed Oct 21 2026

                      Today        Tonight      Thu

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     0            0            10
Chance of Thunder (%) 0            0            0
Weather Type          None         None         Showers
Max/Min Temp          84           73           84
Min/Max RH %          53           85           55
Wind 20ft AM (mph)    NE 10                     NE  9
Wind 20ft PM (mph)    NE  8        NE  7        NE  8
Precip Duration                                 1
Precip Begin                                    8 AM
Precip End                                      Continuing
Precip Amount         0.00         0.00         0.00
Mixing Hgt(ft-agl)    4400         400          4100
Transport Wnd (mph)   NE 13        NE 16        NE 14
Dispersion Index      45           13           44
Max LVORI             3            4            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly clear with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 70s. Northeast
winds around 10 mph.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the lower 80s. Northeast winds around
10 mph.
.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 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 mid 70s. Northeast winds around
15 mph.
.SUNDAY...Breezy. Mostly sunny with showers likely and a chance
of thunderstorms. Highs in the lower 80s. Northeast winds around
25 mph.
.SUNDAY NIGHT...Breezy. Partly cloudy with a chance of showers
and thunderstorms. Lows in the mid 70s. Northeast winds around
25 mph.
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Northeast winds around
20 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of 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
15 mph.

$$

MJV