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

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

Severe storms overnight in Iowa caused fallen trees and downed power lines. See storm damage reports from across the state.

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

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

A destructive derecho snapped trees and knocked out power to tens of thousands of people as it tore across portions of the ...

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

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

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

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

While Minnesota was at risk of derecho conditions on Monday, the storms that arrived in the evening didn't quite qualify.

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