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

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

A video shared by FOX Weather Exclusive Storm Tracker Corey Gerken shows damage left behind after severe thunderstorms tore ...

The thunderstorms on July 28 produced two damage-causing tornadoes in South Dakota, and a third in Iowa, according to the National Weather Service.

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.