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

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 ...

Over 300 residents of Hudson, South Dakota, are among the hardest hit by severe weather and a potential derecho that came the ...

Severe thunderstorms are expected to hit eastern South Dakota in the late afternoon July 28, potentially bringing hurricane-force winds to the region.

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

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

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

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

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

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