Zone Forecast Product
Issued by NWS Key West, FL
Issued by NWS Key West, FL
390 FPUS52 KKEY 220804 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 404 AM EDT Wed Jul 22 2026 FLZ076>078-222200- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 404 AM EDT Wed Jul 22 2026 .TODAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 90 to 95. East to southeast winds 10 to 15 mph, decreasing to near 10 mph. Chance of rain 10 percent. Heat index values of 105 to 108 possible, especially in the Upper Keys. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. East to southeast winds near 10 mph. Chance of rain 10 percent. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 90 to 95. East winds 5 to 10 mph. Chance of rain 20 percent. Heat index values of 105 to 108 possible, especially in the Upper Keys. .THURSDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Northeast to east winds near 10 mph. Chance of rain 50 percent. .FRIDAY...Partly sunny with a chance of showers and thunderstorms. Highs near 90. East winds 5 to 10 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the lower 80s. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent. .MONDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 30 percent. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 10 percent. $$