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FNUS52 KKEY 160826
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
426 AM EDT Sun Aug 16 2026

.Discussion...
A Saharan Air Layer will bring drier than normal weather to the
Flroida Keys today and tomorrow. Temperatures are likely to stay
above normal for August with highs in the lower 90s likely.
Relative humidity values are likely to drop into the lower 60s
across the island chain with occasional drops into the upper 50s
in the interior of the largest islands. Winds are on track to
slacken from gentle to moderate to light to gentle tonight.
Expect very low dispersion indices as periods of light and
variable winds are expected during the work week.

FLZ076>078-162315-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
426 AM EDT Sun Aug 16 2026

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Weather Type          None         None         None
Max/Min Temp          92           82           91
Min/Max RH %          63           84           62
Wind 20ft AM (mph)    E  5                      Lgt/Var
Wind 20ft PM (mph)    E  5         E  5         Lgt/Var
Precip Duration
Precip Begin
Precip End
Precip Amount         0.00         0.00         0.00
Mixing Hgt(ft-agl)    2600         1200         2300
Transport Wnd (mph)   E 12         E 14         E  5
Dispersion Index      35           7            17
Max LVORI             4            5            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Mostly clear. Lows in the lower 80s. Light winds.
.TUESDAY...Sunny. Highs in the lower 90s. Light winds.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 80s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. West winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear with a slight chance of showers.
Lows in the lower 80s. West winds around 5 mph.
.THURSDAY...Sunny with a slight chance of showers. Highs around
90. Light winds.
.THURSDAY NIGHT...Mostly clear with a slight chance of showers.
Lows in the lower 80s. Southwest winds around 5 mph.
.FRIDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Southeast winds around 5 mph.
.FRIDAY NIGHT...Mostly clear with a slight chance of showers.
Lows in the lower 80s. Southeast winds around 5 mph.
.SATURDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Southeast winds around 5 mph.

$$

AJP