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 2:24 pm. Next forecast at approx. 2:24 am. Wind Speed Wind GustGreen Grass Wind Statistics August WindFaith (38.5 miles)2026JulyAugustStrongest 3 August, 202655mph NAverage August11.3mphStrongest 30 July, 202663.1mph NWAverage July12.4mphStrongest 16 January, 202672.9mph NWAverage 202612.7mphClimate (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