Winter Weather Advisory in Pryor/Northern Bighorn Mountains

Winter Weather Advisory issued December 5 at 2:29PM MST until December 6 at 2:00PM MST by NWS Billings MT

• Event Start: 2025-12-05T14:29:00-07:00
• Event End: 2025-12-06T14:00:00-07:00
• Event Certainty: Likely
• Event Severity: Moderate

Event Description

• WHAT: Periods of light to moderate snow and blowing snow. Additional snow accumulations between 4 and 8 inches. Winds gusting as high as 45 mph.
• WHERE: In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains.
• WHEN: Until 2 PM MST Saturday.
• IMPACTS: The heaviest snowfall is expected late this evening through Saturday morning. Outdoor recreation could be very difficult. Whiteout conditions are expected at times due to snow and blowing snow.

Event Instructions

Those recreating in the backcountry should ensure they are prepared for difficult wintry conditions.