Winter Storm Warning in Lower Clark Fork Region

Winter Storm Warning issued December 5 at 4:02PM MST until December 6 at 5:00PM MST by NWS Missoula MT

• Event Start: 2025-12-05T16:02:00-07:00
• Event End: 2025-12-06T17:00:00-07:00
• Event Certainty: Likely
• Event Severity: Severe

Event Description

• WHAT: Heavy snow. There is a likelihood of developing or ongoing major winter weather impacts to isolated extreme winter storm impacts. Additional snow accumulations of 5 to 11 inches Taft to Lookout Pass and 2 to 5 inches in the valleys. Winds gusting as high as 35 mph.
• WHERE: Evaro Hill, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, and Highway 200 Thompson Falls to Plains.
• WHEN: Until 5 PM MST Saturday.
• IMPACTS: For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes.

Event Instructions

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.