Dorchester Wind ForecastUnited StatesIAAllamakee CountyDorchester1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Dorchester wind forecast issued today at 7:41 pm. Next forecast at approx. 7:41 am.Dorchester Wind Statistics May WindDecorah (16.8 miles)2026AprilMayStrongest 13 May, 202621.9mph NNWAverage May8.4mphStrongest 8 April, 202624.2mph SSWAverage April9.7mphStrongest 14 January, 202627.7mph NNWAverage 20268.8mphClimate (2010–Present)Decorah (16.8 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 5 March, 202531.1mph NNWAverage 2021–20268mphGet WillyWeather+ to remove ads