Meteorologist Reed Timmer has circled Minnesota in advance of his storm chasing plans this week, and he says the active pattern could include tornado and derecho threats.

Strong storms in an area stretching from the Upper Plains to the Midwest have been preliminarily classified by the National ...

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

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

The National Weather Service in Sioux Falls has confirmed a tornado in Lyon County, Iowa, that occurred during Monday's ...

Sometimes referred to as an inland hurricane, derechos are among weather's most destructive phenomena. And there's one headed ...

A derecho can bring particularly violent thunderstorms to the Midwest. Here's what Iowans should know about storm risks on Monday.

Early models showed the possibility of a derecho forming in Minnesota between Sunday evening and Monday, but the system ended ...

We’re taking a closer look at a powerful weather system that swept across parts of the Upper Midwest — and what may ...

Thunderstorms that swept across eastern South Dakota during the afternoon and evening of July 28 likely combined to form a derecho. Todd Heitkamp, meteorologist-in-charge at the National Weather ...

The sound of heavy machinery continues to echo through towns like Sioux Center as it picks up the pieces from the derecho.

A 2020 derecho caused widespread damage across Massachusetts and southern New England. What to know about these destructive storms.