FNUS52 KKEY 120825 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 425 AM EDT Mon Oct 12 2026 .Discussion... Light to gentle northeast breezes are expected to continue through Tuesday. Transport winds will be slightly higher with gentle to moderate winds expected. Moisture will begin increasing across the area later today as a cold front approaches leading to increasing rain chances, especially for tonight. A brief respite is expected on Tuesday before moisture increases again due to the front lingering nearby. Min RH values are expected to be in the upper 60s percent today and the lower 60s percent on Tuesday with good max RH recovery overnight into the lower 90s percent. FLZ076>078-130100- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 425 AM EDT Mon Oct 12 2026 Today Tonight Tue Cloud Cover Mclear Pcldy Mclear Chance Precip (%) 20 30 20 Chance of Thunder (%) 20 20 0 Weather Type Tstms Tstms Showers Max/Min Temp 89 79 87 Min/Max RH % 69 92 63 Wind 20ft AM (mph) NE 5 NE 8 Wind 20ft PM (mph) NE 5 NE 5 NE 8 Precip Duration 1 2 1 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Precip Amount 0.02 0.03 0.01 Mixing Hgt(ft-agl) 3000 1000 3500 Transport Wnd (mph) NE 10 NE 14 NE 16 Dispersion Index 29 10 43 Max LVORI 5 5 4 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the upper 70s. Northeast winds around 10 mph. .WEDNESDAY...Sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Northeast winds around 10 mph. .WEDNESDAY NIGHT...Mostly clear with a chance of showers and a slight chance of thunderstorms. Lows around 80. East winds around 10 mph. .THURSDAY...Sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. East winds around 10 mph. .THURSDAY NIGHT...Mostly clear with a chance of showers and thunderstorms. Lows around 80. East winds around 10 mph. .FRIDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. East winds around 5 mph. .FRIDAY NIGHT...Partly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 70s. East winds around 5 mph. .SATURDAY...Partly sunny with showers likely and a chance of thunderstorms. Highs in the mid 80s. Northeast winds around 10 mph. .SATURDAY NIGHT...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 70s. Northeast winds around 15 mph. .SUNDAY...Showers and a chance of thunderstorms. Highs in the mid 80s. Northeast winds around 20 mph. $$ MJV