< Wyoming Winter Weather Advisory | Effective 04/16/2026 23:37

Wyoming Winter Weather Advisory | Effective 04/16/2026 23:37

Headline: 
Winter Weather Advisory issued April 17 at 12:37AM MDT until April 17 at 12:00PM MDT by NWS Riverton WY
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
April 16, 2026 - 11:37pm
Expires: 
April 17, 2026 - 5:00am
Description: 
* WHAT...Snow. Additional snow accumulations of 1 to 4 inches. * WHERE...Casper Mountain and Green Mountains and Rattlesnake Range. * WHEN...Until noon MDT today. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning commute.
Instruction: 
Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .
Area Description: 
Green Mountains and Rattlesnake Range; Casper Mountain
Forcast Office: 
NWS Riverton WY