FNUS52 KKEY 200858
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
458 AM EDT Tue Oct 20 2026

.Discussion...
Moderate to fresh northeast breezes are expected to continue
trough tonight before slackening to gentle to moderate breezes for
Wednesday. Transport winds will remain fresh to strong through
tonight and then moderate to fresh Wednesday. Near nil rain
chances are expected through mid week 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 near 60 percent today and then the mid 50s for
Wednesday with good max RH recovery overnight into the lower 80s
percent.

FLZ076>078-210145-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
458 AM EDT Tue Oct 20 2026

                      Today        Tonight      Wed

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Weather Type          Showers      None         None
Max/Min Temp          85           75           84
Min/Max RH %          60           83           57
Wind 20ft AM (mph)    NE 13 G20                 NE 11
Wind 20ft PM (mph)    NE 12        NE 12 G20    NE  8
Precip Duration
Precip Begin
Precip End
Precip Amount         0.00         0.00         0.00
Mixing Hgt(ft-agl)    4200         1000         4200
Transport Wnd (mph)   NE 23        NE 23        NE 12
Dispersion Index      57           31           46
Max LVORI             3            3            3

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Northeast
winds around 5 mph.
.THURSDAY...Sunny with a slight chance of showers. Highs in the
lower 80s. North winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 70s. Northeast winds around
10 mph.
.FRIDAY...Mostly 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
thunderstorms. Lows in the mid 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
20 mph.
.SATURDAY NIGHT...Partly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 70s. Northeast winds
around 20 mph.
.SUNDAY...Breezy. Mostly sunny with showers likely and a slight
chance of thunderstorms. Highs in the lower 80s. Northeast winds
around 25 mph.
.SUNDAY NIGHT...Breezy. Partly cloudy with a chance of showers
and a slight chance of thunderstorms. Lows in the mid 70s.
Northeast winds around 25 mph.
.MONDAY...Breezy. Mostly sunny with a chance of showers and a
slight chance of thunderstorms. Highs in the mid 80s. Northeast
winds around 25 mph.

$$

MJV