South Dakota Weather

Right now in South Dakota
62°F
Mostly Clear

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 · November 6–10 · Plains Continental

North wind strips the oak

Bur oak and post oak lose their leaves in a single week of Alberta clipper winds. Ground becomes bare and open.

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

Open the full interactive weather map

Cities in South Dakota

5 cities with a weather forecast page, largest first

CityJuly normalPopulation
Sioux Falls74°F207,648
McLaughlin72°F683
Shamrock Colony74°F72
Spring Valley Colony74°F0
Blumengard Colony72°F0

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.

The July figure is that city’s 1991–2020 normal mean temperature, rounded to the nearest degree — NOAA NCEI station normals from the nearest station where one covers the city, otherwise modelled normals (EC_Earth3P_HR via Open-Meteo); each city page names which. Populations come from SimpleMaps US Cities (CC BY 4.0). See methodology for data sources and editorial rules. Maintainer: Brian Tighe.