Here's your 5PM weather update for Tuesday, August 18, 2026. -Robert Inland Lee- Including the cities of Fort Myers and Lehigh Acres 223 PM EDT Tue Aug 18 2026 Tonight Wed Wed Night Thu Cloud Cover Mclear Mclear Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 50 20 50 Chance of Thunder (%) 0 50 20 50 Temp (24h trend) 76 (0) 95 (-1) 76 94 RH % (24h trend) 99 (+4) 51 (+1) 98 54 Wind 20ft/early(mph) W 6 G15 W 5 W 5 NW 3 Wind 20ft/late(mph) W 4 W 10 G19 Lgt/Var W 7 Precip Amount 0.00 0.15 0.02 0.11 Precip Duration 2 1 5 Precip Begin 2 PM 11 PM Continuing Precip End 8 PM Continuing 8 PM Mixing Hgt(ft-agl) 400 5000 400 5100 Transport Wnd (mph) W 8 W 10 NW 6 NW 6 Dispersion Index 8 52 6 38 Max LVORI Early 6 6 6 6 Max LVORI Late 7 2 8 4 Min Vsby Early 10 10 10 Min Vsby Late 10 9 Hendry County- 222 PM EDT Tue Aug 18 2026 Tonight Wed Wed Night Thu Cloud Cover Mclear Mclear Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 50 20 60 Chance of Thunder (%) 0 50 20 60 Temp (24h trend) 73 (0) 96 (-2) 73 94 RH % (24h trend) 100 (0) 52 (+9) 100 57 Wind 20ft/early(mph) W 4 W 4 Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var W 4 Lgt/Var Lgt/Var Precip Amount 0.00 0.16 0.02 0.17 Precip Duration 1 1 4 Precip Begin 2 PM Continuing 7 AM Precip End Continuing 8 AM 6 PM Mixing Hgt(ft-agl/msl)410 5170 350 4790 Transport Wnd (mph) NW 6 NW 7 W 6 NW 6 Dispersion Index 5 44 4 29 Max LVORI Early 6 9 7 10 Max LVORI Late 9 3 10 3 Northern Collier- 222 PM EDT Tue Aug 18 2026 Tonight Wed Wed Night Thu Cloud Cover Mclear Mclear Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 30 20 50 Chance of Thunder (%) 0 30 20 50 Temp (24h trend) 73 (-1) 96 (-1) 74 95 RH % (24h trend) 100 (+1) 51 (+3) 99 58 Wind 20ft/early(mph) W 4 Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var Precip Amount 0.00 0.10 0.02 0.06 Precip Duration 1 0 2 Precip Begin 2 PM Continuing 7 AM Precip End Continuing 8 AM 6 PM Mixing Hgt(ft-agl/msl)410 5230 370 4490 Transport Wnd (mph) NW 6 W 8 NW 3 NW 6 Dispersion Index 6 48 6 29 Max LVORI Early 6 8 7 8 Max LVORI Late 8 3 8 3 Southwest Collier- 222 PM EDT Tue Aug 18 2026 Tonight Wed Wed Night Thu Cloud Cover Mclear Mclear Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 20 30 40 Chance of Thunder (%) 0 20 20 40 Temp (24h trend) 75 (0) 96 (-1) 76 95 RH % (24h trend) 99 (+1) 51 (+3) 98 59 Wind 20ft/early(mph) NW 4 Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var W 4 Precip Amount 0.00 0.00 0.01 0.11 Precip Duration 0 1 2 Precip Begin 4 PM Continuing 7 AM Precip End Continuing 7 AM Continuing Mixing Hgt(ft-agl/msl)420 5470 420 4600 Transport Wnd (mph) NW 5 NW 9 NW 5 NW 6 Dispersion Index 6 49 9 30 Max LVORI Early 6 7 6 8 Max LVORI Late 9 2 8 3 Coastal Lee- Including the cities of Cape Coral, Captiva, and Sanibel 223 PM EDT Tue Aug 18 2026 Tonight Wed Wed Night Thu Cloud Cover Mclear Mclear Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 40 30 40 Chance of Thunder (%) 0 40 20 40 Temp (24h trend) 79 (0) 93 (+1) 78 93 RH % (24h trend) 93 (+2) 55 (-7) 95 58 Wind 20ft/early(mph) NW 9 G17 W 9 G17 NW 8 G17 NW 4 Wind 20ft/late(mph) W 6 W 14 G21 NW 4 W 10 G16 Precip Amount 0.00 0.06 0.05 0.07 Precip Duration 2 2 5 Precip Begin 2 PM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt(ft-agl) 400 4200 400 4700 Transport Wnd (mph) NW 10 W 13 NW 8 NW 9 Dispersion Index 10 47 11 41 Max LVORI Early 5 4 5 5 Max LVORI Late 5 3 6 4 Min Vsby Early 10 10 10 Min Vsby Late 10 9 Coastal Collier County- Including the cities of Bonita Shores, East Naples, Naples, Marco Island, Marco Island Airport, Royal Palm Hammock, and North Naples 222 PM EDT Tue Aug 18 2026 Tonight Wed Wed Night Thu Cloud Cover Mclear Mclear Pcldy Pcldy Precip Type None None Tstms Tstms Chance Precip (%) 0 0 30 40 Chance of Thunder (%) 0 0 20 40 Temp (24h trend) 76 (-2) 95 (+2) 77 95 RH % (24h trend) 97 (+3) 56 (-4) 96 61 Wind 20ft/early(mph) NW 6 NW 5 NW 5 Lgt/Var Wind 20ft/late(mph) NW 4 W 11 G20 Lgt/Var W 6 Precip Amount 0.00 0.00 0.01 0.07 Precip Duration 1 2 Precip Begin 8 PM 7 AM Precip End 7 AM Continuing Mixing Hgt(ft-agl/msl)430 4060 520 3490 Transport Wnd (mph) NW 8 W 13 NW 5 NW 9 Dispersion Index 11 46 15 31 Max LVORI Early 5 5 5 7 Max LVORI Late 6 3 7 3 Big Cypress- 222 PM EDT Tue Aug 18 2026 Tonight Wed Wed Night Thu Cloud Cover Mclear Mclear Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 30 20 60 Chance of Thunder (%) 0 30 20 60 Temp (24h trend) 73 (0) 97 (-2) 74 96 RH % (24h trend) 100 (0) 45 (+5) 100 54 Wind 20ft/early(mph) NW 4 Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var W 5 G17 Lgt/Var Lgt/Var Precip Amount 0.00 0.08 0.01 0.20 Precip Duration 1 0 4 Precip Begin 2 PM Continuing 7 AM Precip End Continuing 8 AM Continuing Mixing Hgt(ft-agl/msl)430 6220 380 6400 Transport Wnd (mph) NW 6 NW 7 W 5 NW 6 Dispersion Index 5 49 7 38 Max LVORI Early 7 9 7 10 Max LVORI Late 9 2 10 2 Hendry County Lakes Region- 222 PM EDT Tue Aug 18 2026 Tonight Wed Wed Night Thu Cloud Cover Mclear Mclear Pcldy Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 50 30 60 Chance of Thunder (%) 0 50 30 60 Temp (24h trend) 74 (+1) 94 (-3) 74 93 RH % (24h trend) 100 (0) 57 (+11) 100 62 Wind 20ft/early(mph) W 4 Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var Precip Amount 0.00 0.17 0.20 0.21 Precip Duration 1 1 4 Precip Begin 2 PM Continuing 7 AM Precip End Continuing 8 AM Continuing Mixing Hgt(ft-agl/msl)410 4590 360 4160 Transport Wnd (mph) W 8 NW 6 SW 6 NW 6 Dispersion Index 5 38 3 24 Max LVORI Early 6 8 7 9 Max LVORI Late 9 3 9 3