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

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

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

Counting those from this week, just 22 tornadoes have struck Iowa so far this year. That's much lower than normal. The state ...

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

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

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

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

Iowa was hit hardest by the derecho where more than 400,000 people were left without power. Wind speeds near Cedar Rapids were estimated at 140 mph, the most powerful in the storm.

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

Meteorologist Reed Timmer has circled Minnesota in advance of his storm chasing plans this week, and he says the active ...

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