The severe thunderstorms that passed through eastern South Dakota on July 28 brought powerful winds to the region.

Todd Heitkamp, a National Weather Service meteorologist, said the line of storms appeared to coalesce into a derecho around ...

While two derechos in less than two months is extremely unusual for South Dakota, experts say it's just that — a fluke.

A moderate threat for severe storms is in place for parts of South Dakota and Minnesota on Monday afternoon into the evening due to the threat of a derecho.

The last time a derecho hit eastern South Dakota, the sky above Sioux Falls turned green, prompting Reddit users to create images of everything from Cthulhu to the Stay-Puft Marshmallow Man rampaging ...

Hudson, South Dakota, has the distinction of being the easternmost community in the state. Tuesday, it’s known for being one ...