600
FNUS52 KKEY 310827
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
427 AM EDT Fri Jul 31 2026

.Discussion...
A reverse cloud line is possible again today under light and
variable winds. Waterspout formation is possible with any cloud
line that does try and develop along with a slight chance of
showers and thunderstorms. Min RH values will be in the lower 60s
percent today with decent RH recovery overnight to the mid 80s
percent. Poor to fair dispersion indices also expected today.

FLZ076>078-010100-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
427 AM EDT Fri Jul 31 2026

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Chance Precip (%)     0            10           20
Chance of Thunder (%) 0            10           20
Weather Type          None         Tstms        Tstms
Max/Min Temp          92           81           91
Min/Max RH %          62           84           61
Wind 20ft AM (mph)    Lgt/Var                   Lgt/Var
Wind 20ft PM (mph)    Lgt/Var      Lgt/Var      Lgt/Var
Precip Duration                    1            1
Precip Begin                       8 PM         Continuing
Precip End                         Continuing   Continuing
Precip Amount         0.00         0.01         0.02
Mixing Hgt(ft-agl)    3000         1200         3300
Transport Wnd (mph)   W  6         NW  5        S  5
Dispersion Index      13           4            14
Max LVORI             4            4            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 80s. South winds around
5 mph.
.SUNDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 90. Southeast winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 80s. Southeast
winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 90. Southeast winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
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.
.TUESDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. East winds around 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. East winds around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. East winds around 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 90. East winds around 10 mph.

$$