Granville Wind ForecastUnited StatesIASioux CountyGranville1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Granville wind forecast issued today at 1:32 am. Next forecast at approx. 1:32 pm.Granville Wind Statistics April WindSheldon (15.5 miles)2026MarchAprilStrongest – Average April–Strongest 13 March, 202633.3mph WNWAverage March11.7mphStrongest 18 February, 202638mph WAverage 202610.8mphClimate (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