FNUS72 KCHS 190909 FWSCHS Spot Forecast for Washo North RX...The Nature Conservancy National Weather Service Charleston SC 509 AM EDT Thu Mar 19 2026 Forecast is based on ignition time of 0900 EDT on March 19. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Dry high pressure will prevail across the area again today. Relative humidity values are expected to fall into the 30 to 35 percent range. Winds will start off the day out of the north to northeast, then will turn east or southeast late this afternoon with passage of a weak sea breeze boundary. Dry and warming conditions are expected through the weekend. .REST OF TODAY... Sky/weather.........Sunny. Chance of pcpn......0 percent. Max temperature.....Around 62. Min humidity........34 percent. Wind (20 ft)........Light winds late in the morning becoming northeast around 5 mph, then shifting to the east late in the afternoon becoming light. Mixing Height.......Max 3700 ft AGL. Transport winds.....Northeast 8 to 12 mph. Max ADI.............56. Inversion End.......1000. TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........2 2 22 14 13 7 18 13 9 Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 Temp............43 50 54 56 59 60 61 61 61 RH..............62 46 40 37 34 35 36 38 39 20 FT wind dir..N N N N NE NE NE E E 20 FT wind spd..4 4 5 5 5 5 5 5 4 20 FT wind gust.11 11 13 13 11 11 11 11 9 Mix hgt (kft)...1.0 2.2 2.9 3.3 3.5 3.7 3.6 3.3 2.9 Transp wind dir.N N N NE NE NE NE NE NE Transp wind spd.12 12 12 12 12 12 8 8 8 LVORI...........2 1 1 1 1 1 1 1 2 ADI.............11 36 54 56 54 47 41 32 25 .TONIGHT... Sky/weather.........Mostly clear. Chance of pcpn......0 percent. Min temperature.....Around 42. Max humidity........89 percent. Wind (20 ft)........Light winds. Max LVORI...........7. Min ADI.............1. Inversion Begin.....1900. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........17 31 25 10 7 7 Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Temp............59 54 50 48 45 44 RH..............44 54 66 74 86 89 20 ft wind......E 2 E 2 NE 1 N 1 NW 1 NW 1 20 ft wind gust.9 5 5 4 4 4 Mix hgt (ft)....2100 600 500 400 400 400 Transport wind..E 4 E 4 NE 2 N 2 N 2 NW 2 LVORI...........2 2 4 4 6 7 ADI.............1 1 1 1 1 1 .FRIDAY... Sky/weather.........Sunny. Chance of pcpn......0 percent. Max temperature.....Around 67. Min humidity........42 percent. Wind (20 ft)........Light winds becoming east around 5 mph early in the afternoon, then becoming light late in the afternoon. Mixing Height.......Max 2800 ft AGL. Transport winds.....Light winds becoming southeast around 6 mph late in the afternoon. Max ADI.............18. Inversion End.......1000. TIME (EDT) 6 AM 9 AM NOON 3 PM Sky (%).........6 4 2 2 Weather type....NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 Temp............43 48 64 67 RH..............89 80 48 42 20 FT wind......NW 1G5 N 2G7 NE 3G9 E 5G11 Mix hgt (ft)....300 800 2500 2400 Transport wind..NW 2 N 4 NE 4 SE 6 LVORI...........7 5 2 2 ADI.............2 2 18 18 $$ Forecaster...Holloway Requested by...Chelsea MacKenzie Type of request...PRESCRIBED .TAG 2606420.0/CHS .DELDT 03/19/26 .FormatterVersion 2.0.0 .EMAIL c.f.mackenzie@tnc.org