FNUS52 KKEY 190833
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
433 AM EDT Sun Jul 19 2026

.Discussion...
Temperatures will remain slightly above normal with highs near
90, overnight lows in the lower to mid 80s. Dew points will be in
the mid to upper 70s. Minimum RH values will be 60% to 65% during
the day, recovering to 85% to 90% 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.

The National Hurricane Center is monitoring Invest 91L across the
northern Gulf. It currently has a medium (60%) chance of tropical
development through 48 hours and 7 days. This system poses no risk
to the Florida Keys.

FLZ076>078-200130-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
433 AM EDT Sun Jul 19 2026

                      Today        Tonight      Mon

Cloud Cover           Mclear       Pcldy        Mclear
Chance Precip (%)     20           30           10
Chance of Thunder (%) 20           20           10
Weather Type          Tstms        Tstms        Tstms
Max/Min Temp          92           82           92
Min/Max RH %          63           87           61
Wind 20ft AM (mph)    S  9                      S  9
Wind 20ft PM (mph)    S  8         S  6         S  7
Precip Duration       1            2            1
Precip Begin          6 AM         Continuing   Continuing
Precip End            Continuing   Continuing   6 PM
Precip Amount         0.01         0.03         0.01
Mixing Hgt(ft-agl)    3800         1000         3900
Transport Wnd (mph)   S 15         SE 15        S 13
Dispersion Index      57           9            46
Max LVORI             3            4            3

Remarks...None.

$$

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

$$

MJV