Granville Wind ForecastUnited StatesIASioux CountyGranville1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Granville wind forecast issued today at 3:35 am. Next forecast at approx. 3:35 pm.Granville Wind Statistics May WindSheldon (15.5 miles)2026AprilMayStrongest 4 May, 202625.3mph NWAverage May9.6mphStrongest 4 April, 202631.1mph NWAverage April11.7mphStrongest 18 February, 202638mph WAverage 202610.9mphClimate (2010–Present)Sheldon (15.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 15 December, 202146.1mph WAverage 2021–202610.8mphGet WillyWeather+ to remove ads