Special Weather Statement
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Another active weather pattern with a moderately strong atmospheric river is expected in the Cascades, especially the Washington Cascades, beginning Monday and Tuesday. Moderate to heavy rain is possible at the Cascade crest with amounts decreasing away from the crest. By Tuesday night, snow levels drop to around 2500 feet and mountain rain will turn over to snow. Snoqualmie Pass and White Pass have a 45 to 65 percent chance of 2 feet of snow from Tuesday through Thursday night, while Santiam Pass has a 30 percent chance of 2 feet of snow in the same period. This precipitation will lead to river rises and potential additional flooding on the Yakima and Naches Rivers as well as an increased risk of rock and mud slides in areas of steep terrain and near burn scars. However, the transition to snow is expected to keep flooding at lower levels than the past few days. While the Yakima and Naches Rivers are forecast to reach minor flood stage by Tuesday and Wednesday, other rivers in the area are expected to remain below bankfull. Also, windy conditions are expected Tuesday night and Wednesday which may lead to difficult mountain driving conditions. Those living or having travel plans through the Cascades should be prepared for impactful weather next week.

Newberry Volcano Mountain Peaks

Mountain Peaks

Pacific Ranges

Cascade Range

Last Updated: December 13, 2025

Newberry Volcano, located in the Pacific Ranges mountain range, is an iconic peak in the state of Oregon, USA.

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Summary

With its majestic presence and fascinating geological history, it attracts mountaineers and outdoor enthusiasts alike. Standing at an elevation of approximately 2,440 meters (8,009 feet), it offers stunning panoramic views of the surrounding landscape.

Covering an area of approximately 1,200 square kilometers (460 square miles), Newberry Volcano is one of the largest volcanoes in the United States. Despite being considered dormant, it still boasts several volcanic features such as cinder cones, lava flows, and a caldera. During the winter season, the mountain experiences a substantial amount of snowfall, resulting in a snowpack range that can reach depths of several meters. This makes it a popular destination for winter sports enthusiasts, offering opportunities for skiing, snowboarding, and snowshoeing.

Newberry Volcano is also known for its numerous waterways that originate from its slopes. Several creeks and rivers, including the Deschutes River, Paulina Creek, and East Lake Creek, receive runoff from the mountain, providing a vital water source for wildlife and nearby communities. Additionally, the volcano's name has an interesting history. It was named after John Strong Newberry, a prominent geologist and explorer who extensively studied the region in the mid-1800s.

In conclusion, Newberry Volcano in the Pacific Ranges mountain range is a captivating destination for mountaineers, offering breathtaking views, diverse volcanic features, and ample winter recreational opportunities. Its significant snowpack range during the winter season and the presence of creeks and rivers that receive runoff from its slopes make it a unique natural landmark in the region. The mountain's name honors the contributions of John Strong Newberry, an influential geologist who played a crucial role in understanding the geological wonders of the area.

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Special Weather Statement
Until 2025-12-16T11:15:00-08:00 • National Weather Service
Another active weather pattern with a moderately strong atmospheric river is expected in the Cascades, especially the Washington Cascades, beginning Monday and Tuesday. Moderate to heavy rain is possible at the Cascade crest with amounts decreasing away from the crest. By Tuesday night, snow levels drop to around 2500 feet and mountain rain will turn over to snow. Snoqualmie Pass and White Pass have a 45 to 65 percent chance of 2 feet of snow from Tuesday through Thursday night, while Santiam Pass has a 30 percent chance of 2 feet of snow in the same period. This precipitation will lead to river rises and potential additional flooding on the Yakima and Naches Rivers as well as an increased risk of rock and mud slides in areas of steep terrain and near burn scars. However, the transition to snow is expected to keep flooding at lower levels than the past few days. While the Yakima and Naches Rivers are forecast to reach minor flood stage by Tuesday and Wednesday, other rivers in the area are expected to remain below bankfull. Also, windy conditions are expected Tuesday night and Wednesday which may lead to difficult mountain driving conditions. Those living or having travel plans through the Cascades should be prepared for impactful weather next week.