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

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 ...

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, ...

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

A derecho is "likely," according to the Storm Prediction Center — and top meteorologists are warning that wind gusts could ...

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

As heat records continue to break in the U.S., this week has already brought the threat of derechos. That’s left many people ...

A powerful line of storms moved through the Upper Midwest Monday night into Tuesday. The Storm Prediction Center will make ...

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

Over 300 residents of Hudson, South Dakota, are among the hardest hit by severe weather and a potential derecho that came the ...