FNUS52 KKEY 251018 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 518 AM EST Sun Jan 25 2026 .Discussion... Light to gentle east to southeasterly breezes today will trend downwards and gradually clock south to southwest by tomorrow. Min relative humidity values will remain above 70% with near saturation at night. Chances of showers will remain slight at best. Primarily easterly transport winds will trend upwards today and tomorrow. A strong cold front is expected late Monday and will bring with it a round of fresh to strong northwest to northerly breezes and sharply lower temperatures and dew points. FLZ076>078-260215- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 518 AM EST Sun Jan 25 2026 Today Tonight Mon Cloud Cover Mclear Pcldy Mclear Chance Precip (%) 0 10 10 Chance of Thunder (%) 0 0 0 Weather Type None Showers Showers Max/Min Temp 80 72 80 Min/Max RH % 75 100 62 Wind 20ft AM (mph) SE 9 SW 5 Wind 20ft PM (mph) SE 8 SE 5 W 8 Precip Duration 1 1 Precip Begin 7 PM Continuing Precip End Continuing Continuing Precip Amount 0.00 0.02 0.00 Mixing Hgt(ft-agl) 2500 800 2700 Transport Wnd (mph) SE 23 SW 9 NW 12 Dispersion Index 62 8 27 Max LVORI 4 7 4 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the mid 50s. Northwest winds around 15 mph. .TUESDAY...Sunny. Highs in the upper 60s. North winds around 15 mph. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds around 10 mph. .WEDNESDAY...Mostly sunny with a slight chance of showers. Highs in the upper 60s. North winds around 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers. Lows in the mid 50s. North winds around 15 mph. .THURSDAY...Sunny. Highs in the mid 60s. Northwest winds around 15 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds around 10 mph. .FRIDAY...Sunny. Highs in the upper 60s. North winds around 10 mph. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 50s. North winds around 10 mph. .SATURDAY...Mostly sunny with a slight chance of showers. Highs in the upper 60s. North winds around 10 mph. $$