FNUS52 KKEY 040833 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 433 AM EDT Tue Aug 4 2026 .Discussion... Warm and humid conditions will persist across the Keys through the next 24 hours. Minimum RH values will remain well above critical thresholds, generally in the mid 60 percent this afternoon with recoveries overnight in the upper 80s. Light to gentle winds and low level moisture will support fair to poor dispersion while scattered showers and thunderstorms are possible. No significant fire weather concerns are anticipated through the period. FLZ076>078-050000- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 433 AM EDT Tue Aug 4 2026 Today Tonight Wed Cloud Cover Pcldy Pcldy Pcldy Chance Precip (%) 40 40 60 Chance of Thunder (%) 20 20 50 Weather Type Tstms Tstms Tstms Max/Min Temp 92 81 91 Min/Max RH % 62 87 66 Wind 20ft AM (mph) Lgt/Var E 6 Wind 20ft PM (mph) Lgt/Var Lgt/Var E 7 Precip Duration 2 2 8 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Precip Amount 0.07 0.13 0.19 Mixing Hgt(ft-agl) 3300 1400 3400 Transport Wnd (mph) S 5 E 14 E 12 Dispersion Index 17 12 38 Max LVORI 4 4 4 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. East winds around 10 mph. .THURSDAY...Mostly sunny with a chance of showers and thunderstorms. Highs around 90. East winds around 10 mph. .THURSDAY NIGHT...Partly cloudy with showers likely and a chance of thunderstorms. Lows in the lower 80s. East winds around 10 mph. .FRIDAY...Mostly sunny with a chance of showers and thunderstorms. Highs around 90. East winds around 10 mph. .FRIDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. East winds around 10 mph. .SATURDAY...Mostly sunny with a chance of showers and thunderstorms. Highs around 90. Southeast winds around 10 mph. .SATURDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. East winds around 10 mph. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. East winds around 10 mph. .SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. East winds around 10 mph. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. East winds around 10 mph. $$