Headline:
Winter Weather Advisory issued May 18 at 3:14AM MDT until May 18 at 6:00PM MDT by NWS Riverton WY
Event:
Winter Weather Advisory
Urgency:
Expected
Effective:
May 18, 2026 - 2:14am
Expires:
May 18, 2026 - 5:00pm
Description:
* WHAT...Snow expected. Additional snow accumulations up to 6
inches, with the higher amounts expected over southern end of the
Bighorn Mountains. Winds gusting as high as 50 mph.
* WHERE...Owl Creek and Bridger Mountains, Bighorn Mountains
Southeast, Bighorn Mountains West, and Absaroka Mountains.
* WHEN...Until 6 PM MDT this evening.
* IMPACTS...Travel could be difficult, especially over mountain
passes such as Powder River Pass.
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:
Absaroka Mountains; Owl Creek and Bridger Mountains; Bighorn Mountains West; Bighorn Mountains Southeast
Forcast Office:
NWS Riverton WY