311
FNUS52 KKEY 180833
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
433 AM EDT Sat Jul 18 2026

.Discussion...
Temperatures will remain slightly above normal with highs near
90, overnight lows in the lower 80s. Dew points will be in the
mid to upper 70s. Minimum RH values will be 60% to 65% during the
day, recovering to near 85% overnight. Waves of Sahara dust will
continue to dominate the region for the next few days, continuing
to yield to mainly slight chances. Most of the activity will
continue to remain across the SE Gulf waters and northward.

FLZ076>078-190130-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
433 AM EDT Sat Jul 18 2026

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Mclear
Chance Precip (%)     20           20           20
Chance of Thunder (%) 20           20           20
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          91           82           91
Min/Max RH %          63           86           64
Wind 20ft AM (mph)    SE  7                     SE  7
Wind 20ft PM (mph)    SE  6        SE  6        S  6
Precip Duration       1            1            1
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   Continuing
Precip Amount         0.01         0.00         0.00
Mixing Hgt(ft-agl)    3800         1600         3800
Transport Wnd (mph)   SE 14        SE 16        SE 12
Dispersion Index      47           12           47
Max LVORI             3            4            3

Remarks...None.

$$

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

$$

MJV