Colorado Winter Weather Advisory | Effective 05/17/2026 10:50

Headline: 
Winter Weather Advisory issued May 17 at 11:50AM MDT until May 18 at 9:00PM MDT by NWS Denver CO
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
May 17, 2026 - 10:50am
Expires: 
May 18, 2026 - 5:00am
Description: 
* WHAT...Snow expected. Total snow accumulations of 4 to 12 inches over most of the Advisory area. However, little if any accumulation in the valleys of Summit County while the heaviest amounts occur in the mountains north of I-70. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From midnight tonight to 9 PM MDT Monday. * IMPACTS...Travel could be slippery with snow covered roads at times, especially late tonight and during the periods of heaviest snowfall on Monday. The hazardous conditions may impact the Monday morning and evening commutes.
Instruction: 
Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org.
Area Description: 
South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet; South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet
Forcast Office: 
NWS Denver CO