Winter Weather Advisory
2026-02-24T05:00:00-07:00

...WINTRY MIX IN VALLEYS AND MOUNTAIN SNOW MONDAY THROUGH MONDAY NIGHT... .Snow levels will be borderline in northwest Montana valleys, and a wintry mix brings an increased risk for slick conditions during the Monday morning commute. Confidence is highest for accumulating snow across Lincoln County valley areas. Over mountain passes, snow will begin overnight with minor impacts, intensifying by Monday afternoon. Expect moderate travel impacts with slushy accumulation on I-90 and US-2 through Monday night. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations of 1 to 4 inches in the valleys and 6 to 9 inches from Essex to Marias Pass. Higher amounts are expected in the higher terrain. Winds gusting as high as 35 mph. * WHERE...Highway 83 Bigfork to Swan Lake, Essex, Glacier National Park, Marias Pass, Polebridge, and Bad Rock Canyon. * WHEN...From 5 AM Monday to 5 AM MST Tuesday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur.

Mount Jackson Mountain Peaks

Mountain Peaks

Rocky Mountains

Central Montana Rockies

Last Updated: February 23, 2026

Mount Jackson is a prominent peak located in the Rocky Mountains mountain range.

Summary

With an impressive elevation of 10,052 feet (3,064 meters), it offers breathtaking panoramic views of the surrounding area. This mountain is known for its size, spanning a length of approximately 3 miles (4.8 kilometers) and a width of around 2 miles (3.2 kilometers). It is a popular destination for mountaineers due to its challenging terrain and stunning alpine scenery.

During the winter season, Mount Jackson experiences a diverse snowpack range, ranging from light to heavy snowfall. The accumulation of snow creates excellent conditions for winter sports such as skiing and snowboarding. It is important for mountaineers to be aware of the current snowpack conditions and avalanche risks before attempting to climb the mountain.

Mount Jackson also plays a significant role in the hydrology of the region. It is a source of runoff for several creeks and rivers, including the nearby Crystal Creek and Blaeberry River. These waterways benefit from the mountain's melting snow and contribute to the overall ecological diversity of the area.

Regarding its name, Mount Jackson is named after William Henry Jackson, a renowned American photographer and explorer. He was a member of the Hayden Geological Survey of 1871, which extensively explored and documented the Rocky Mountains. The mountain stands as a tribute to his contributions to the field of exploration and photography.

In summary, Mount Jackson in the Rocky Mountains mountain range is an impressive peak with an elevation of 10,052 feet. It offers stunning views, a diverse snowpack range during winter, and serves as a source of runoff for various creeks and rivers. With a namesake honoring a notable photographer and explorer, this mountain holds a rich history and is a popular destination for mountaineers seeking a challenging and rewarding experience.

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15-Day Weather Outlook

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Winter Weather Advisory
Until 2026-02-23T20:30:00-07:00 • National Weather Service
...WINTRY MIX IN VALLEYS AND MOUNTAIN SNOW MONDAY THROUGH MONDAY NIGHT... .Snow levels will be borderline in northwest Montana valleys, and a wintry mix brings an increased risk for slick conditions during the Monday morning commute. Confidence is highest for accumulating snow across Lincoln County valley areas. Over mountain passes, snow will begin overnight with minor impacts, intensifying by Monday afternoon. Expect moderate travel impacts with slushy accumulation on I-90 and US-2 through Monday night. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations of 1 to 4 inches in the valleys and 6 to 9 inches from Essex to Marias Pass. Higher amounts are expected in the higher terrain. Winds gusting as high as 35 mph. * WHERE...Highway 83 Bigfork to Swan Lake, Essex, Glacier National Park, Marias Pass, Polebridge, and Bad Rock Canyon. * WHEN...From 5 AM Monday to 5 AM MST Tuesday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur.