Corson County weather, town by town
7 places in Corson County, South Dakota, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1908 to 2026. Station extremes, not official state records.
Corson County Weather Facts
Corson County has 7 places on myweatherrock (4 census-designated places, 2 cities, 1 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 118°F at Pollock on July 20, 1934. The coldest night is -58°F at Mc Intosh 6 Se on February 17, 1936. The wettest day brought 5.1 inches of rain at Pollock on June 30, 1909. The biggest single-day snow measured 22.01 inches at Keldron 8Ssw on October 5, 2013. Those are station measurements from NOAA's daily records, 1908 to 2026, not official state records. By area the largest place is Bullhead, about 3 square miles.
About Corson County weather
The map on the Now tab shows every Corson County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 7 Corson County towns with station normals, the warmest month is July, when the day usually reaches 86°F, and the coldest is January, when the night usually falls to 5°F. June is the wettest, with rain on about 10 days. January nights run from about 3°F in Kenel to 6°F in Bullhead.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Corson County weather records
Measured at the NOAA stations serving these towns, daily records 1908 to 2026. Station extremes, not official state records.
Common questions about Corson County weather
- What is the hottest temperature recorded at a Corson County station?
- 118°F at Pollock on July 20, 1934, in the NOAA daily station records myweatherrock holds (1908 to 2026).
- What is the coldest temperature recorded at a Corson County station?
- -58°F at Mc Intosh 6 Se on February 17, 1936.
- What is the most rain a Corson County station has measured in one day?
- 5.1 inches at Pollock on June 30, 1909.
- What is the biggest one-day snowfall at a Corson County station?
- 22.01 inches at Keldron 8Ssw on October 5, 2013.
- How many Corson County towns have a weather page here?
- 7: 4 census-designated places, 2 cities, 1 towns. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Corson County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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