Grand Detour Wind ForecastUnited StatesILOgle CountyGrand Detour1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Grand Detour wind forecast issued today at 7:33 pm. Next forecast at approx. 7:33 am.Grand Detour Wind Statistics June WindSterling Rockfalls (16.8 miles)2025MayJuneStrongest – Average June–Strongest 16 May, 202525.3mph WAverage May9.3mphStrongest 15 March, 202526.4mph WSWAverage 20259.7mphClimate (2010–Present)Sterling Rockfalls (16.8 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 14 April, 202233.3mph WSWAverage 2020–20258.2mphGet WillyWeather+ to remove ads