Zone Forecast Product
Issued by NWS Key West, FL

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FPUS52 KKEY 262000
ZFPKEY

Zone Forecasts for the Florida Keys
National Weather Service Key West FL
400 PM EDT Sat Sep 26 2026

FLZ076-271100-
Monroe Upper Keys-
Including the communities of Key Largo
400 PM EDT Sat Sep 26 2026

...COASTAL FLOOD ADVISORY IN EFFECT...

.TONIGHT...Partly cloudy with a slight chance of showers. Lows in
the mid 70s. North winds near 5 mph. Chance of rain 20 percent.
.SUNDAY...Mostly sunny with a slight chance of showers. Highs in
the mid 80s. Northeast winds near 5 mph, becoming south. Chance
of rain 20 percent.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 70s. West winds near 5 mph. Chance of rain 20
percent.
.MONDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Light and variable
winds, becoming south around 5 mph in the afternoon. Chance of
rain 30 percent.
.MONDAY NIGHT...Showers likely with a chance of thunderstorms.
Lows in the upper 70s. South winds near 5 mph. Chance of rain 60
percent.
.TUESDAY THROUGH THURSDAY...Showers likely with a chance of
thunderstorms. Highs in the upper 80s. Lows near 80. Chance of
rain 70 percent.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A chance of showers
and thunderstorms. Lows in the lower 80s. Highs in the upper 80s.
Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. Chance of rain 30 percent.
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.

$$

FLZ077-078-271100-
Monroe Middle Keys-Monroe Lower Keys-
Including the communities of Marathon and Key West
400 PM EDT Sat Sep 26 2026

.TONIGHT...Mostly clear. Lows in the mid to upper 70s. North
winds near 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 80s. North winds near 5
mph, becoming west.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 70s. West winds
near 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Light and
variable winds, becoming south around 5 mph. Chance of rain 30
percent.
.MONDAY NIGHT...Showers likely with a chance of thunderstorms.
Lows in the upper 70s. South winds near 5 mph. Chance of rain 70
percent.
.TUESDAY...Showers likely with a chance of thunderstorms. Highs
in the upper 80s. Chance of rain 60 percent.
.TUESDAY NIGHT...Showers likely with a chance of thunderstorms.
Lows in the upper 70s. Chance of rain 70 percent.
.WEDNESDAY...Showers likely with a chance of thunderstorms. Highs
in the upper 80s. Chance of rain 60 percent.
.WEDNESDAY NIGHT AND THURSDAY...Showers likely with a chance of
thunderstorms. Lows near 80. Highs in the upper 80s. Chance of
rain 70 percent.
.THURSDAY NIGHT...Showers likely with a chance of thunderstorms.
Lows around 80. Chance of rain 60 percent.
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 80s. Chance of rain 40 percent.
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.

$$