Postville Wind ForecastUnited StatesIAAllamakee CountyPostville1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Postville wind forecast issued today at 1:31 pm. Next forecast at approx. 1:31 am. Wind Speed Wind GustPostville Wind Statistics August WindDecorah (15.5 miles)2026JulyAugustStrongest 1 August, 202615mph NNEAverage August5.7mphStrongest 31 July, 202618.3mph NEAverage July5.7mphStrongest 14 January, 202627.7mph NNWAverage 20267.9mphClimate (2021–2026)Decorah (15.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 5 March, 202531.1mph NNWAverage 2021–20268mphGet WillyWeather+ to remove ads