243 FNUS52 KKEY 050826 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 426 AM EDT Fri Jun 5 2026 .Discussion... A moist air mass remains in place, and will be partly responsible for very high shower chances and a chance for thunderstorms today. Rain chances are then expected to trend down towards normal heading into the weekend. Winds will be gentle to moderate easterlies. Relative humidity values will remain well above 50%, but will be trending downwards. FLZ076>078-060030- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 426 AM EDT Fri Jun 5 2026 Today Tonight Sat Cloud Cover Mcldy Pcldy Mclear Chance Precip (%) 70 40 30 Chance of Thunder (%) 50 20 20 Weather Type Tstms Tstms Tstms Max/Min Temp 86 78 87 Min/Max RH % 66 82 64 Wind 20ft AM (mph) E 10 E 9 Wind 20ft PM (mph) E 11 E 10 E 10 Precip Duration 9 4 2 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Precip Amount 0.79 0.12 0.06 Mixing Hgt(ft-agl) 3800 2200 3800 Transport Wnd (mph) E 14 E 20 E 17 Dispersion Index 37 20 47 Max LVORI 4 3 3 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. East winds around 10 mph. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. East winds around 10 mph. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. East winds around 10 mph. .MONDAY...Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Southeast winds around 5 mph. .MONDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds around 10 mph. .TUESDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy with showers likely and a chance of thunderstorms. Lows around 80. East winds around 10 mph. .WEDNESDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Southeast winds around 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 70s. Southeast winds around 10 mph. .THURSDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Southeast winds around 10 mph. $$