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

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

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 ...

Parts of Lincoln County were not as lucky as Sioux Falls, including what the Lincoln County Sheriff's Office called ...

Much of eastern South Dakota continues to be in a hazardous weather outlook on Tuesday, with a 40 percent chance of showers ...

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

We had more active weather in KELOLAND last night. While storms produced damaging winds again, heavy rain was also a concern.

Finally, a day without the threat of severe weather. Since Saturday, the weather service has issued 160 warnings…including 19 ...

There is a slight risk of severe weather in Iowa over the weekend as riders prepare for the start of RAGBRAI. See where the ...

The thunderstorm risk level went from enhanced to moderate for the area, with timing now pushed back to between 5 p.m. and 1 a.m.

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