Severe Thunderstorm Warning

At 935 PM MDT, a severe thunderstorm was located 7 miles southeast of Cactus Flat, or 17 miles west of Kadoka, moving southeast at 35 mph.

THIS IS A DESTRUCTIVE STORM FOR COTTONWOOD.

HAZARD...90 mph wind gusts and half dollar size hail.

SOURCE...Automated observations.

IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be heavily damaged or destroyed. Homes and businesses will have substantial roof and window damage. Expect extensive tree damage and power outages.

Locations impacted include... Interior, Cactus Flat, Cedar Pass, Cottonwood, Minuteman Missile Visitors Center and Delta 1 Launch Facility.

This includes Interstate 90 in South Dakota between Mile Markers 126 and 146.