Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Key West, FL

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FNUS52 KKEY 290826
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
426 AM EDT Wed Jul 29 2026

.Discussion...
A reverse cloud line is possible today and again on Thursday
under the southwesterly flow. Waterspout formation is possible
with any cloud line that does try and develop along with a slight
chance of showers and thunderstorms. Light to gentle southwest to
west breezes this morning will becoming gentle to moderate breezes
this afternoon. Breezes decrease to light to gentle breezes for
tonight and Thursday. Min RH values will be near 60 percent today
and Thursday with decent RH recovery overnight to the mid 80s
percent. Fair to generally good dispersion indices also expected
today and Thursday.

FLZ076>078-300115-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
426 AM EDT Wed Jul 29 2026

                      Today        Tonight      Thu

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     10           0            10
Chance of Thunder (%) 10           0            10
Weather Type          Tstms        None         Tstms
Max/Min Temp          93           82           93
Min/Max RH %          60           84           61
Wind 20ft AM (mph)    SW  7                     Lgt/Var
Wind 20ft PM (mph)    SW  8        SW  7        Lgt/Var
Precip Duration       1                         1
Precip Begin          6 AM                      9 AM
Precip End            6 PM                      6 PM
Precip Amount         0.00         0.00         0.00
Mixing Hgt(ft-agl)    3900         1500         3500
Transport Wnd (mph)   SW 13        SW  8        SW  7
Dispersion Index      45           7            23
Max LVORI             4            5            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 80s. Light
winds.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 80s. Light winds.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Light winds.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows in the lower 80s. South winds around 5 mph.
.SUNDAY...Mostly sunny with a slight chance of showers. Highs
around 90. Southeast winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 80s. Southeast winds around 5 mph.
.MONDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Southeast winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 80s. Southeast winds around
5 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. Southeast winds around 5 mph.

$$

MJV