Special Weather Statement | Safety & Alerts

Grand Countyarea

Sep 13, 2026, 8:21 PMeffective

Sep 13, 2026, 9:00 PMexpires

NWS Denver COsource

Warned area as issued by the National Weather Service

Full advisory

At 821 PM MDT, Doppler radar was tracking a strong thunderstorm 5 miles southeast of Tarryall Reservoir, or 50 miles southwest of Denver, moving northeast at 20 mph.

HAZARD...Wind gusts up to 50 mph and half inch size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible.

Locations impacted include... Wellington Lake, Tarryall Reservoir, Bailey, Cheesman Reservoir, Deckers, Tarryall and Glenisle.

Updates

1 · newest first

Sep 13, 2026, 10:30 PM
Alert resolved: Special Weather Statement issued September 13 at 8:21PM MDT by NWS Denver CO
This alert has been resolved or cancelled by the National Weather Service.
At 821 PM MDT, Doppler radar was tracking a strong thunderstorm 5 miles southeast of Tarryall Reservoir, or 50 miles southwest of Denver, moving northeast at 20 mph.
HAZARD...Wind gusts up to 50 mph and half inch size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible.
Locations impacted include... Wellington Lake, Tarryall Reservoir, Bailey, Cheesman Reservoir, Deckers, Tarryall and Glenisle.

Advisory issued through the National Weather Service feed. For life-threatening emergencies call 911.