FNUS52 KKEY 230849 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 449 AM EDT Thu Jul 23 2026 .Discussion... Temperatures will remain above normal with highs between 90 and 95 degrees, overnight lows in the lower to mid 80s. Dew points will be in the mid to upper 70s. Minimum RH values will be near 65% during the day, recovering to 85% to 90% overnight. Moisture will be increasing as an easterly wave pushes from the east. Best chances for wetting rains will be overnight into early Friday. In addition, in the wake of this easterly wave, winds will be decreasing leading to gradually worsening dispersion indices. The National Hurricane Center continues to issue advisories on Tropical Storm Bertha located across the northwestern Gulf of America. This system poses no risk to the Florida Keys. FLZ076>078-232315- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 449 AM EDT Thu Jul 23 2026 Today Tonight Fri Cloud Cover Pcldy Pcldy Pcldy Chance Precip (%) 40 60 50 Chance of Thunder (%) 40 50 50 Weather Type Tstms Tstms Tstms Max/Min Temp 92 81 91 Min/Max RH % 65 89 66 Wind 20ft AM (mph) E 8 E 6 Wind 20ft PM (mph) E 8 E 9 SE 5 Precip Duration 2 8 4 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Precip Amount 0.02 0.21 0.12 Mixing Hgt(ft-agl) 3600 1100 3500 Transport Wnd (mph) E 15 E 17 E 9 Dispersion Index 59 20 35 Max LVORI 3 4 4 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. East winds around 5 mph. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Southeast winds around 5 mph. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Light winds. .SUNDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. West winds around 5 mph. .SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Southwest winds around 5 mph. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. West winds around 5 mph. .MONDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Southwest winds around 5 mph. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Southwest winds around 10 mph. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. West winds around 5 mph. .WEDNESDAY...Sunny with a slight chance of showers. Highs around 90. South winds around 5 mph. $$