Thunderstorm Wind in Crook County, Wyoming

Numerous reports of broken windows, building damage, extensive camper and vehicle damage, and extensive tree damage throughout the Devils Tower area. There was one injury when a person suffered an elbow contusion from flying debris at a campground and had to receive medical attention.

A thunderstorm became severe in northwest Crook County and tracked east-southeast across the county. The storm produced hail up to baseball size and wind gusts to 80 mph. The Devils Tower area sustained significant damage to trees and property. The storm also became tornadic for a brief period over the Bear Lodge Mountains, south of Alva. Many trees were either uprooted or snapped in half along the path, but no property was impacted by the tornado.