South Dakota Weather
Observed at Sioux Falls (the largest city by population in South Dakota, used as a state-wide proxy). For per-city forecasts, see the city grid below.
Climate at a glance
South Dakota is largely one climate zone across 482 cities and towns. Predominantly warm-summer humid continental.
The state spans roughly 3.4° of latitude (42.5° N to 45.9° N), from Dakota Dunes in the south to Morristown in the north. Sioux Falls is the largest city by population.
Microseason · September 21–25 · Plains Continental
Thunder stills across the plains
Afternoon thunderstorm season wanes. Winds shift to more northerly flow. The landscape cools and dries. Monarch migration continues in waves through the region.
Read this microseason across nine climate regions → · See all 72 microseasons
Microseason content for South Dakota is drawn from the Plains Continental corpus (100% of the state's cities sit in this region).
Live wind & temperature across South Dakota
Cities in South Dakota
| City | July normal | Population |
|---|---|---|
| Sioux Falls | 74°F | 207,648 |
| McLaughlin | 72°F | 683 |
| Shamrock Colony | 74°F | 72 |
| Spring Valley Colony | 74°F | 0 |
| Blumengard Colony | 72°F | 0 |
Our dataset lists 482 places in South Dakota; the 5 above have a page. For a smaller town, the nearest city above is the closest match.