Postville Wind Forecast
Postville Wind Statistics
September Wind
Decorah (15.5 miles)
Strongest 2 September, 2025
9.2mph NNWAverage September
4.9mph
Climate (2010–Present)
Decorah (15.5 miles)
Strongest 5 March, 2025
31.1mph NNWAverage 2020–2025
8mph