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

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

Iowa has been hit with a rare derecho which the video filmer says has been moving through the Midwest. This footage shows the ...

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

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

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

Severe thunderstorms torn across a large chunk of Southeastern Minnesota and Northern Iowa late Monday night into early ...

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

Potent storms were hitting the northern U.S. on Monday, with a potential to turn into a derecho with hurricane-force winds.

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

A derecho, characterized by a line of thunderstorms producing severe winds and damage over a large area, swept across the Northern Plains and Upper Midwest.

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