Weather in Chelsea, South Dakota
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 06:34 PM ET · Refreshes every hour
84°F
Clear sky
Feels like 81°F
32%
Humidity
8 mph
Wind Speed
About Weather in Chelsea
Chelsea is located in South Dakota (coordinates: 45.167557°N, 98.743376°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.