Marathon Wind ForecastUnited StatesIABuena Vista CountyMarathon1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Marathon wind forecast issued today at 11:36 am. Next forecast at approx. 11:36 pm.Marathon Wind Statistics June WindStorm Lake (21.7 miles)2026MayJuneStrongest – Average June–Strongest 12 May, 202632.2mph NNWAverage May11.6mphStrongest 16 January, 202639.1mph NWAverage 202613.1mphClimate (2010–Present)Storm Lake (21.7 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 15 December, 202149.4mph WAverage 2021–202611.9mphGet WillyWeather+ to remove ads