FNUS52 KKEY 220941 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 441 AM EST Thu Jan 22 2026 .Discussion... A slight chance of showers will persist across the Florida Keys today and tonight. Min relative humidity values will remain above the low 70s with recovery overnight to near 100 percent. Light to gentle northeasterly breezes are forecast to end the week. FLZ076>078-230045- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 441 AM EST Thu Jan 22 2026 Today Tonight Fri Cloud Cover Pcldy Pcldy Pcldy Chance Precip (%) 20 10 10 Chance of Thunder (%) 0 0 0 Weather Type Showers Showers Showers Max/Min Temp 77 67 78 Min/Max RH % 72 100 71 Wind 20ft AM (mph) NE 5 Lgt/Var Wind 20ft PM (mph) Lgt/Var Lgt/Var Lgt/Var Precip Duration 1 1 1 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Precip Amount 0.00 0.00 0.00 Mixing Hgt(ft-agl) 1800 100 2200 Transport Wnd (mph) E 7 NE 7 E 7 Dispersion Index 12 4 12 Max LVORI 6 6 7 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the upper 60s. Northeast winds around 5 mph. .SATURDAY...Sunny with a slight chance of showers. Highs in the upper 70s. Northeast winds around 5 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. East winds around 5 mph. .SUNDAY...Sunny. Highs in the lower 80s. Southeast winds around 5 mph. .SUNDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the lower 70s. Southeast winds around 5 mph. .MONDAY...Sunny with a slight chance of showers. Highs in the upper 70s. West winds around 5 mph. .MONDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 60s. Northwest winds around 10 mph. .TUESDAY...Mostly sunny with a slight chance of showers. Highs in the lower 70s. North winds around 10 mph. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the mid 60s. Northeast winds around 10 mph. .WEDNESDAY...Mostly sunny with a slight chance of showers. Highs in the mid 70s. Northeast winds around 5 mph. $$