COLORADO AND SURROUNDING REGION — A potent storm system pinwheeling across Wyoming on Thursday, May 21, 2026, is setting the stage for scattered strong to severe thunderstorms across Colorado and the surrounding region, with the greatest threat focused east of I-25 including eastern Colorado and western Kansas after 2PM. Damaging winds, large hail, and a brief tornado are all possible across the eastern plains as a dry line clash between drier mountain air and humid southeast flow creates prime convective conditions through the afternoon and evening.
Greatest Severe Weather Threat Focused East of I-25 and Into Western Kansas After 2PM
The eastern plains, including portions of Nebraska and Kansas, carry the highest severe weather risk Thursday afternoon and evening. High-resolution forecast models are showing convective initiation on or after 2PM, with storms capable of producing damaging winds, large hail, and a brief tornado across eastern Colorado and western Kansas…