South Mountain Reservoir Wind ForecastUnited StatesCAModoc CountySouth Mountain Reservoir1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time South Mountain Reservoir wind forecast issued today at 3:33 pm. Next forecast at approx. 3:33 am.South Mountain Reservoir Wind Statistics July WindAlturas (22.4 miles)2025JuneJulyStrongest – Average July–Strongest 9 June, 202542.9mph NNWAverage June6mphStrongest 16 March, 202565.1mph SAverage 20255.7mphClimate (2010–Present)Alturas (22.4 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 16 March, 202565.1mph SAverage 2020–20256.6mphGet WillyWeather+ to remove ads