Colorado Severe Thunderstorm Warning - [Severity] | Effective 05/21/2026 18:09

Headline: 
Severe Thunderstorm Warning issued May 21 at 7:09PM MDT until May 21 at 7:45PM MDT by NWS Denver CO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 21, 2026 - 6:09pm
Expires: 
May 21, 2026 - 6:45pm
Description: 
SVRBOU The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Southeastern Adams County in northeastern Colorado... Eastern Arapahoe County in northeastern Colorado... Southwestern Washington County in northeastern Colorado... * Until 745 PM MDT. * At 709 PM MDT, a severe thunderstorm was located near Cottonwood Valley, or 24 miles north of Limon, moving east at 20 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Last Chance, Cottonwood Valley and Woodlin School.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds.
Area Description: 
Adams, CO; Eastern Arapahoe, CO; Washington, CO
Forcast Office: 
NWS Denver CO