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

The last time a derecho hit eastern South Dakota, the sky above Sioux Falls turned green, prompting Reddit users to create ...

The most intense storms, with wind gusts potentially exceeding 75 m.p.h., were forecast for central and eastern South Dakota, ...

A dangerous derecho is expected to form in parts of the Northern Plains and Upper Midwest on Monday, with wind gusts over 75 ...

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

Severe storms moved through the area Monday night into Tuesday morning. The storm system that moved from South Dakota through ...

Severe thunderstorms could continue into July 29, bringing havoc to morning commutes in Chicago, Milwaukee and Indianapolis.

The National Weather Service has preliminarily classified overnight storms from the Upper Plains to the Midwest as a derecho.

Thousands were without power and damage was seen across the Siouxland area after storms moved into the area on Monday, July ...

The northern Plains, including the Dakotas, Iowa and Minnesota, are in the bull's-eye of a renewed severe weather threat ...

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