Green Grass Wind ForecastUnited StatesSDDewey CountyGreen Grass1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Green Grass wind forecast issued today at 12:34 am. Next forecast at approx. 12:34 pm. Wind Speed Wind GustGreen Grass Wind Statistics June WindFaith (38.5 miles)2026MayJuneStrongest 17 June, 202663.1mph NWAverage June12.5mphStrongest 14 May, 202648.1mph WNWAverage May12.6mphStrongest 16 January, 202672.9mph NWAverage 202612.9mphClimate (2021–2026)Faith (38.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 17 September, 202493.1mph WSWAverage 2021–202612.5mphGet WillyWeather+ to remove ads