We’re taking a closer look at a powerful weather system that swept across parts of the Upper Midwest — and what may officially be classified as a derecho. A derecho is a long-lived, ...

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

The second tornado of the evening, rated EF-1, spawned approximately one mile east of Alvord, Iowa, or 11 miles northeast of Inwood. The tornado was not witnessed by storm chasers or law enforcement, ...