Union Grove State Park Wind Forecast
Union Grove State Park Wind Statistics
September Wind
Marshalltown, Marshalltown Municipal Airport (9.9 miles)
Strongest 11 September, 2026
28mph SAverage September
7.1mph
Climate (2021–2026)
Marshalltown, Marshalltown Municipal Airport (9.9 miles)
Strongest 17 June, 2026
106.9mph NEAverage 2021–2026
10.5mph