Fort Thompson gets less snow than most of South Dakota
Fort Thompson has cold winters and warm summers, with very little rain. A typical July afternoon reaches 88°, a January night drops to 8°, and about 19 inches of snow falls in a normal winter. Normal November highs come to 46°, and lows to 23°.
Getting the latest forecast from the National Weather Service…
What stands out about Fort Thompson’s weather
Read from 30 years of NOAA records. Each one opens the full story on the Climate page.
Where today sits in Fort Thompson’s year
Typical highs and lows month by month, from 30 years of NOAA records.
Weather talk
Road reports, first frosts and storm memories from neighbors in Fort Thompson.
Your answer becomes a post in Town Square.
Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Fort Thompson itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Lake Sharpe Prj, SD (3 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.