FNUS52 KKEY 210925
FWFKEY

Fire Weather Planning Forecast for the Florida Keys
National Weather Service Key West FL
425 AM EST Sun Dec 21 2025

.Discussion...
Near nil rain chances are expected through Monday. The western
flank of high pressure over the North Atlantic extends
southwestward through Florida and into the Gulf. This will promote
light to gentle northeast to east breezes today. Breezes will
freshen tonight as another high builds into the area with moderate
to fresh breezes continuing through Monday. Transport winds will
also become quite strong for tonight and Monday ranging between 20
to 30 mph. Min RH values are expected to be in the mid 70s
percent today and in the upper 60s percent for Monday with good RH
recovery tonight to mid 90s percent.

FLZ076>078-220215-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key Largo, Marathon, and Key West
425 AM EST Sun Dec 21 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Pcldy        Pcldy
Chance Precip (%)     0            0            0
Chance of Thunder (%) 0            0            0
Weather Type          None         None         None
Max/Min Temp          79           71           78
Min/Max RH %          75           95           68
Wind 20ft AM (mph)    NE  6                     NE 12
Wind 20ft PM (mph)    NE  6        NE  7        NE 14
Precip Duration
Precip Begin
Precip End
Precip Amount         0.00         0.00         0.00
Mixing Hgt(ft-agl)    2100         600          3400
Transport Wnd (mph)   E 13         NE 21        NE 30
Dispersion Index      23           16           54
Max LVORI             6            5            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 70s. Northeast winds around 15 mph.
.TUESDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 70s. East winds around 15 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 70s. East winds
around 15 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s. Northeast winds
around 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Northeast winds
around 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
around 10 mph.
.THURSDAY NIGHT...Mostly clear with a slight chance of showers.
Lows around 70. Northeast winds around 5 mph.
.FRIDAY...Sunny with a slight chance of showers. Highs in the
upper 70s. Northeast winds around 5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 60s. East winds
around 5 mph.
.SATURDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
around 5 mph.

$$

MJV