Rock Valley Wind ForecastUnited StatesIASioux CountyRock Valley1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Rock Valley wind forecast issued today at 7:34 am. Next forecast at approx. 7:34 pm.Rock Valley Wind Statistics June WindSheldon (23 miles)2026MayJuneStrongest 1 June, 202613.9mph SSEAverage June7.3mphStrongest 14 May, 202628.9mph SAverage May10.1mphStrongest 18 February, 202638mph WAverage 202610.9mphClimate (2010–Present)Sheldon (23 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 15 December, 202146.1mph WAverage 2021–202610.8mphGet WillyWeather+ to remove ads