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 10:36 pm. Next forecast at approx. 10:36 am.Marathon Wind Statistics March WindStorm Lake (21.7 miles)2026FebruaryMarchStrongest – Average March–Strongest 18 February, 202638mph WAverage February12.6mphStrongest 16 January, 202639.1mph NWAverage 202612.6mphClimate (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