Grass Valley Reservoir Wind ForecastUnited StatesNVWashoe CountyGrass Valley Reservoir1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Grass Valley Reservoir wind forecast issued yesterday at 11:29 pm. Next forecast at approx. 11:29 am.Grass Valley Reservoir Wind Statistics May WindAlturas (60.9 miles)2025AprilMayStrongest – Average May–Strongest 10 April, 202535.1mph WNWAverage April6.1mphStrongest 16 March, 202565.1mph SAverage 20255.6mphClimate (2010–Present)Alturas (60.9 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 16 March, 202565.1mph SAverage 2020–20256.7mphGet WillyWeather+ to remove ads