Wyoming Severe Severe Thunderstorm Warning | Effective 06/20/2026 16:36

Headline: 
Severe Thunderstorm Warning issued June 20 at 5:36PM MDT until June 20 at 6:15PM MDT by NWS Rapid City SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 20, 2026 - 4:36pm
Expires: 
June 20, 2026 - 5:15pm
Description: 
At 536 PM MDT, severe thunderstorms were located along a line from near Echeta to near Clareton, or along a line from 25 miles northwest of Gillette to 28 miles southwest of Newcastle, moving northeast at 40 mph. HAZARD...70 mph wind gusts. SOURCE...Public reported. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Gillette, Upton, Moorcroft, Coal Creek Mine, Cordero Rojo Mine, Caballo Mine, Belle Ayr Mine, Hilight Gas Plant, Wyodak Mine, Black Thunder Mine, NARM Mine North, Dry Fork Mine, Rawhide Mine, Eagle Butte Mine, Buckskin Mine, Rozet, Rochelle, Clareton, Echeta and Morrisey. This includes Interstate 90 in Wyoming between Mile Markers 97 and 163.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms have produced widespread damaging winds.
Area Description: 
Campbell, WY; Crook, WY; Weston, WY
Forcast Office: 
NWS Rapid City SD