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

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

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 ...

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.

July was a trying weather month. Hot and humid days were good for corn and soybean growth, but hard on livestock and on wheat ...

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.

Meteorologist Reed Timmer has circled Minnesota in advance of his storm chasing plans this week, and he says the active ...