221
FNUS52 KKEY 010818
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
418 AM EDT Wed Oct 1 2025

.Discussion...
Lighter winds expected today with poor to fair dispersion indices
expected this afternoon. Bands of showers and isolated
thunderstorms will occasionally pivot across the island chain
today. High pressure building into the eastern third of the U.S.
will promote freshening winds Thursday with moisture pooling
across the region. Expect above normal rain chances to return by
Thursday and last into the upcoming weekend.


FLZ076>078-020115-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
418 AM EDT Wed Oct 1 2025

                      Today        Tonight      Thu

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     20           30           40
Chance of Thunder (%) 20           20           20
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          88           76           88
Min/Max RH %          68           92           71
Wind 20ft AM (mph)    N  6                      NE  7
Wind 20ft PM (mph)    Lgt/Var      NW  5        NE  8
Precip Duration       1            2            2
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.08         0.13         0.12
Mixing Hgt(ft-agl)    3100         1200         3200
Transport Wnd (mph)   NW  7        NE  7        E 14
Dispersion Index      21           4            36
Max LVORI             4            5            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 70s. Northeast
winds around 10 mph.
.FRIDAY...Partly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Northeast winds
around 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 70s. Northeast
winds around 10 mph.
.SATURDAY...Partly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. East winds around
10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 70s. East winds
around 10 mph.
.SUNDAY...Partly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Southeast winds
around 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 70s. East winds
around 10 mph.
.MONDAY...Partly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. East winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 70s. East winds
around 10 mph.
.TUESDAY...Partly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. East winds
around 15 mph.

$$