Grand River National Grassland Wind Forecast
Grand River National Grassland Wind Statistics
December Wind
Hettinger, Hettinger Municipal Airport (22.4 miles)
Strongest 18 December, 2025
57.5mph WNWAverage December
11.7mph
Climate (2010–Present)
Hettinger, Hettinger Municipal Airport (22.4 miles)
Strongest 11 May, 2025
77mph SSWAverage 2020–2025
10.6mph