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

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

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

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

FOX Weather Exclusive Storm Tracker Brandon Copic and Meteorologist Ian Oliver talk about the back-to-back tornadoes and the ...

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

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

The northern Plains are at risk of strong damaging winds over 80 mph associated with severe weather beginning Monday ...