FNUS52 KKEY 120816 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 416 AM EDT Sat Sep 12 2026 .Discussion... Shower and thunderstorm probability will remain slightly above normal at least through today. chances over the next couple of days. Conditions will remain seasonable. RH will bottom out in the mid 60s in the afternoon and recover into the 80s overnight. Winds will be light to gentle out of the east to southeast, but some variability would not be surprising. FLZ076>078-130215- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 416 AM EDT Sat Sep 12 2026 Today Tonight Sun Cloud Cover Pcldy Pcldy Pcldy Chance Precip (%) 50 40 40 Chance of Thunder (%) 50 40 40 Weather Type Tstms Tstms Tstms Max/Min Temp 91 81 91 Min/Max RH % 65 90 64 Wind 20ft AM (mph) SE 5 Lgt/Var 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 0.06 0.06 0.06 Mixing Hgt(ft-agl) 3000 500 3400 Transport Wnd (mph) SE 8 SE 13 SE 5 Dispersion Index 26 7 13 Max LVORI 4 5 5 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. North winds around 5 mph. .MONDAY...Mostly sunny with a chance of showers and thunderstorms. Highs around 90. East winds around 5 mph. .MONDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. East winds around 5 mph. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Highs around 90. East winds around 5 mph. .TUESDAY NIGHT...Partly cloudy with showers and thunderstorms likely. Lows in the lower 80s. East winds around 10 mph. .WEDNESDAY...Showers and a chance of thunderstorms. Highs around 90. East winds around 10 mph. .WEDNESDAY NIGHT...Partly cloudy with showers likely and a chance of thunderstorms. Lows in the lower 80s. Northeast winds around 10 mph. .THURSDAY...Mostly sunny with showers likely and a chance of thunderstorms. Highs in the upper 80s. East winds around 10 mph. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. East winds around 10 mph. .FRIDAY...Mostly sunny with showers likely and a chance of thunderstorms. Highs in the upper 80s. East winds around 5 mph. $$