Thunderstorm Wind in Corson County, South Dakota

Thunderstorm Wind June 20, 2025 · Corson County, South Dakota

70 mph

Estimated gust (61 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A trained spotter estimated thunderstorm winds topped out at about 70 mph.

The wider storm

Strong storms in north central South Dakota would go on to produce high winds, with a peak wind gust of 64 mph measured at the South Dakota Department of Transportation weather station 2 miles north of Herreid.

Began near Mc Intosh (45.9200, -101.3500).

Source: NOAA Storm Events Database, event 1271526. Narratives are written by the National Weather Service forecast office that issued the report.

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