Winter Weather Advisory in Northern Carbon

Winter Weather Advisory issued December 11 at 2:22AM MST until December 12 at 12:00PM MST by NWS Billings MT

• Event Start: 2025-12-11T18:00:00-07:00
• Event End: 2025-12-12T12:00:00-07:00
• Event Certainty: Likely
• Event Severity: Moderate

Event Description

• WHAT: Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 30 mph.
• WHERE: In Montana, Bighorn Canyon and Northern Carbon. In Wyoming, Sheridan Foothills.
• WHEN: From 6 PM this evening to noon MST Friday.
• IMPACTS: Plan on difficult travel conditions as roads become snow covered and slick.
• ADDITIONAL DETAILS: Travel could be difficult this evening as rapidly falling temperatures combined with rain changing to snow may result in a flash freeze on some roads. This includes Interstate 90 through Sheridan.

Event Instructions

Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.