Weather in Green Grass, South Dakota
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:28 PM ET · Refreshes every hour
82°F
Clear sky
Feels like 80°F
26%
Humidity
8 mph
Wind Speed
About Weather in Green Grass
Green Grass is located in South Dakota (coordinates: 45.156622°N, 101.286973°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.