Colorado Severe Severe Thunderstorm Warning | Effective 09/20/2026 12:57

Headline: 
Severe Thunderstorm Warning issued September 20 at 1:57PM MDT until September 20 at 2:15PM MDT by NWS Denver CO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 20, 2026 - 12:57pm
Expires: 
September 20, 2026 - 1:15pm
Description: 
At 157 PM MDT, a severe thunderstorm was located 6 miles south of Holyoke, moving east at 30 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. Hail may accumulate on roadways causing hazardous travel. Locations impacted include... Holyoke.
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: 
Phillips, CO
Forcast Office: 
NWS Denver CO
Sender: 
w-nws.webmaster@noaa.gov