Heman Wind ForecastUnited StatesILMacon CountyHeman1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Heman wind forecast issued today at 5:31 pm. Next forecast at approx. 5:31 am.Heman Wind Statistics April WindDecatur Airport (14.3 miles)2025MarchAprilStrongest – Average April–Strongest 19 March, 202555mph SAverage March12.7mphStrongest 19 March, 202555mph SAverage 202511.8mphClimate (2010–Present)Decatur Airport (14.3 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 June, 202374.9mph WAverage 2020–20259.7mphGet WillyWeather+ to remove ads