Colorado Winter Storm Warning | Effective 05/17/2026 21:58

Headline: 
Winter Storm Warning issued May 17 at 10:58PM MDT until May 18 at 9:00PM MDT by NWS Denver CO
Event: 
Winter Storm Warning
Urgency: 
Expected
Effective: 
May 17, 2026 - 9:58pm
Expires: 
May 18, 2026 - 12:00pm
Description: 
* WHAT...Snow expected. Total snow accumulations of 8 to 18 inches. Highest amounts on east facing slopes. * WHERE...Rocky Mountain National Park and the Medicine Bow Range. * WHEN...Until 9 PM MDT Monday. * IMPACTS...Travel could be very difficult and affect the Monday morning and evening commutes.
Instruction: 
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. If traveling to the mountains, be prepared for winter driving conditions. Check cotrip.org for road closures and traction laws.
Area Description: 
South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet
Forcast Office: 
NWS Denver CO