Castalia Wind ForecastUnited StatesIAWinneshiek CountyCastalia1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Castalia wind forecast issued today at 2:35 am. Next forecast at approx. 2:35 pm.Castalia Wind Statistics February WindDecorah (11.8 miles)2026JanuaryFebruaryStrongest 1 February, 202613.9mph SAverage February7.4mphStrongest 14 January, 202627.7mph NNWAverage January8.5mphStrongest 14 January, 202627.7mph NNWAverage 20268.4mphClimate (2010–Present)Decorah (11.8 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 5 March, 202531.1mph NNWAverage 2021–20268mphGet WillyWeather+ to remove ads