Alton Wind ForecastUnited StatesINCrawford CountyAlton1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Alton wind forecast issued today at 12:34 pm. Next forecast at approx. 12:34 am.Alton Wind Statistics May WindFort Knox (28.6 miles)2026AprilMayStrongest 4 May, 202617.2mph SWAverage May7.6mphStrongest 2 April, 202621.9mph SAverage April8.9mphStrongest 15 March, 202626.4mph SAverage 20268.8mphClimate (2010–Present)Fort Knox (28.6 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 22 April, 202540.3mph NAverage 2021–20267.5mphGet WillyWeather+ to remove ads