FNUS72 KCHS 200805 FWSCHS Spot Forecast for C122A #1 FMNF...USDA Forest Service National Weather Service Charleston SC 405 AM EDT Fri Mar 20 2026 Forecast is based on ignition time of 0900 EDT on March 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Dry high pressure will continue across the region today. Relative humidity values are expected to fall to at least 30 percent this afternoon, with potential to fall slightly lower. Surface winds will be light and variable into the early afternoon, then turning more southerly by the mid to late afternoon with the passage of the sea breeze. Conditions will remain dry with warming temperatures through the weekend. .REST OF TODAY... Sky/weather.........Sunny. Chance of pcpn......0 percent. Max temperature.....Around 73. Min humidity........30 percent. Wind (20 ft)........Light winds. Mixing Height.......Max 4700 ft AGL. Transport winds.....Light winds. Max ADI.............28. Inversion End.......0930. TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........3 1 2 0 1 3 2 1 2 Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 Temp............46 55 62 65 68 71 71 71 72 RH..............73 53 43 37 33 31 31 31 30 20 FT wind dir..N N N N NE NE SE SW S 20 FT wind spd..0 0 0 1 1 1 2 2 2 20 FT wind gust.4 4 4 4 4 5 5 5 7 Mix hgt (kft)...0.5 1.2 2.1 3.2 4.1 4.6 4.7 4.6 4.1 Transp wind dir.N N N NE NE NE S S S Transp wind spd.2 2 2 2 2 2 4 4 4 LVORI...........4 2 2 2 2 2 2 2 2 ADI.............1 4 6 9 11 12 19 25 28 .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy then becoming partly cloudy. Chance of pcpn......0 percent. Min temperature.....Around 50. Max humidity........86 percent. Wind (20 ft)........Light winds. Max LVORI...........6. Min ADI.............1. Inversion Begin.....1900. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........18 50 52 37 10 11 Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Temp............69 61 55 53 52 50 RH..............37 53 69 77 80 86 20 ft wind......S 2 S 2 S 2 S 2 SW 2 SW 3 20 ft wind gust.7 9 9 9 11 11 Mix hgt (ft)....2700 500 500 500 500 500 Transport wind..S 4 S 4 S 2 SW 2 SW 2 SW 4 LVORI...........2 2 4 4 6 6 ADI.............1 1 1 1 1 2 .SATURDAY... Sky/weather.........Mostly sunny. Chance of pcpn......0 percent. Max temperature.....Around 82. Min humidity........41 percent. Wind (20 ft)........Light winds. Mixing Height.......Max 5200 ft AGL. Transport winds.....Light winds becoming west around 14 mph in the late morning and afternoon. Max ADI.............82. Inversion End.......0930. TIME (EDT) 6 AM 10 AM 2 PM Sky (%).........11 29 44 Weather type....NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 Temp............51 62 79 RH..............80 56 42 20 FT wind......SW 3G13 W 4G13 W 4G11 Mix hgt (ft)....600 1400 3900Transport wind..SW 4 W 14 W 14 LVORI...........5 2 1 ADI.............4 27 59 $$ Forecaster...Holloway Requested by...Kelly Wetzel Type of request...PRESCRIBED .TAG 2606597.0/CHS .DELDT 03/20/26 .FormatterVersion 2.0.0 .EMAIL kelly.wetzelwilson@usda.gov