FNUS52 KKEY 060756 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 356 AM EDT Wed May 6 2026 ...DISPERSION INDICES LESS THAN 20 ARE EXPECTED ACROSS MUCH OF THE FLORIDA KEYS TODAY AND THURSDAY... .Discussion... Light to gentle east to southeast breezes will become variable at times today and Thursday. The lack of flow and associated transport winds will support low dispersion indices. Despite the poor dispersion, minimum relative humidity values will remain above 60%. Similar conditions will continue for the next several days, including near-nil rain and thunder chances. Temperatures will steadily warm through the weekend, with highs approaching the upper 80s, and lows struggling to fall below 80 in the overnight periods. FLZ076>078-070230- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 356 AM EDT Wed May 6 2026 Today Tonight Thu Cloud Cover Pcldy Mclear Mclear Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Weather Type None None None Max/Min Temp 86 79 87 Min/Max RH % 60 80 61 Wind 20ft AM (mph) Lgt/Var SE 5 Wind 20ft PM (mph) Lgt/Var SE 5 Lgt/Var Precip Duration Precip Begin Precip End Precip Amount 0.00 0.00 0.00 Mixing Hgt(ft-agl) 2800 1300 2900 Transport Wnd (mph) SE 7 E 9 SW 7 Dispersion Index 17 6 22 Max LVORI 4 4 4 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds around 5 mph. .FRIDAY...Sunny. Highs in the mid 80s. Southeast winds around 5 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 80s. South winds around 5 mph. .SATURDAY...Sunny. Highs in the upper 80s. Southeast winds around 5 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 80s. South winds around 5 mph. .SUNDAY...Mostly sunny. Highs in the upper 80s. Southeast winds around 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 80s. East winds around 5 mph. .MONDAY...Mostly sunny with a slight chance of showers. Highs in the upper 80s. Southeast winds around 5 mph. .MONDAY NIGHT...Mostly cloudy. Lows in the lower 80s. Southeast winds around 5 mph. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. North winds around 5 mph. $$ BT