Weather in Fort Thompson, South Dakota
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:32 PM ET · Refreshes every hour
88°F
Clear sky
Feels like 86°F
22%
Humidity
5 mph
Wind Speed
About Weather in Fort Thompson
Fort Thompson is located in South Dakota (coordinates: 44.054922°N, 99.404829°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.