Postville Wind ForecastUnited StatesIAAllamakee CountyPostville1-Day3-Day5-Day Graph Plots Open in GraphsWind Forecast NOAAWind Real-Time Postville wind forecast issued today at 1:37 am. Next forecast at approx. 1:37 pm.Postville Wind StatisticsAugust WindDecorah (15.5 miles)2018JulyAugustStrongest 1 August, 201815mph NWAverage August5.5mphStrongest 20 July, 201821.9mph NNWAverage July6.6mphStrongest 14 April, 201826.4mph ENEAverage 20188mphClimate (2010–Present)Decorah (15.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 April, 201630mph NWAverage 2010–Present8.1mphGet an account to remove ads