Headline:
Winter Weather Advisory issued March 13 at 1:23PM MDT until March 14 at 11:00PM MDT by NWS Riverton WY
Event:
Winter Weather Advisory
Urgency:
Expected
Effective:
March 13, 2026 - 12:23pm
Expires:
March 14, 2026 - 6:00am
Description:
* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches
over Powder River and Granite Passes, and up to 12 inches over the
highest terrain. Winds gusting 45 to 60 mph.
* WHERE...Bighorn Mountains Southeast and Bighorn Mountains West.
* WHEN...From 6 AM to 11 PM MDT Saturday.
* IMPACTS...Expect wintry travel conditions over mountain passes,
including Granite and Powder River Passes.
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:
Bighorn Mountains West; Bighorn Mountains Southeast
Forcast Office:
NWS Riverton WY