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 7:32 am. Next forecast at approx. 7:32 pm. Wind Speed Wind GustRock Valley Wind Statistics July WindSheldon (23 miles)2026JuneJulyStrongest 7 July, 202616.1mph SWAverage July6.8mphStrongest 17 June, 202625.3mph WNWAverage June9.4mphStrongest 18 February, 202638mph WAverage 202610.3mphClimate (2021–2026)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