FNUS52 KKEY 040828 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 428 AM EDT Sat Jul 4 2026 .Discussion... The forecast remains unremarkable with typical summertime hot and muggy weather. Minimum RH values anywhere from 60% to 70% will recover to 80% to 90% overnight. Rain and thunder chances will be seasonable. FLZ076>078-050230- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 428 AM EDT Sat Jul 4 2026 Today Tonight Sun Cloud Cover Pcldy Mclear Mclear Chance Precip (%) 30 30 30 Chance of Thunder (%) 20 20 20 Weather Type Tstms Tstms Tstms Max/Min Temp 91 82 91 Min/Max RH % 62 85 61 Wind 20ft AM (mph) Lgt/Var SE 5 Wind 20ft PM (mph) Lgt/Var Lgt/Var Lgt/Var Precip Duration 2 2 2 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Precip Amount 0.07 0.01 0.00 Mixing Hgt(ft-agl) 3400 1600 3600 Transport Wnd (mph) SE 6 SE 13 SE 6 Dispersion Index 32 9 29 Max LVORI 3 4 3 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds around 5 mph. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Southeast winds around 5 mph. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Southeast winds around 5 mph. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 80s. East winds around 5 mph. .WEDNESDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. East winds around 10 mph. .WEDNESDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the mid 80s. East winds around 10 mph. .THURSDAY...Sunny with a slight chance of showers. Highs in the lower 90s. Southeast winds around 10 mph. .THURSDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 80s. East winds around 10 mph. .FRIDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Southeast winds around 10 mph. $$