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 5:34 am. Next forecast at approx. 5:34 pm.Marathon Wind Statistics April WindStorm Lake (21.7 miles)2026MarchAprilStrongest 12 April, 202638mph SWAverage April15.8mphStrongest 28 March, 202636.9mph SSWAverage March14.1mphStrongest 16 January, 202639.1mph NWAverage 202613.5mphClimate (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