Colorado Severe Thunderstorm Warning | Effective 05/17/2026 14:55

Headline: 
Severe Thunderstorm Warning issued May 17 at 3:55PM MDT until May 17 at 4:30PM MDT by NWS Goodland KS
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 17, 2026 - 2:55pm
Expires: 
May 17, 2026 - 3:30pm
Description: 
At 354 PM MDT, a severe thunderstorm was located 8 miles southwest of Flagler, moving east at 35 mph. HAZARD...70 mph wind gusts and ping pong ball size hail. This storm has a history of producing accumulating hail along Interstate 70. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Flagler. This includes Interstate 70 in Colorado between mile markers 391 and 404.
Instruction: 
This storm is producing destructive winds and large damaging hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows. This thunderstorm will produce strong winds resulting in areas of near zero visibility in blowing dirt. Use extreme caution if you must travel and be alert for rapidly changing visibility. This thunderstorm is producing accumulating hail, which will make driving hazardous, similar to snow or ice. If you must travel, be aware of rapidly changing road conditions.
Area Description: 
Cheyenne, CO; Kit Carson, CO
Forcast Office: 
NWS Goodland KS