Hydrologic Outlook
None

ESFSEW Another moderately strong atmospheric river will impact western Washington starting as early as Saturday night and extending into Wednesday. Rain, heavy at times, is likely. The snow level will be 5000 feet rising to 8000 ft during the heaviest rainfall on Monday before dropping to 3000 to 4000 feet Monday night into Tuesday. In addition, soils will still be nearly saturated and rivers elevated or still above flood stage. Expect rising rivers with the potential for flooding. Urban flooding, landslides, and debris flows are also possible throughout this period. Please monitor the latest river forecasts from the National Weather Service for additional information.


Sourdough Mountain Mountain Peaks

Last Updated: December 13, 2025

Sourdough Mountain is located in the Pacific Ranges mountain range, known for its stunning landscapes and challenging hiking trails.


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Summary

With an elevation of 6,218 feet (1,895 meters), this prominent peak offers breathtaking views of the surrounding North Cascades National Park. The mountain's size and rugged terrain make it a popular destination for experienced mountaineers seeking a thrilling adventure.

During the winter season, Sourdough Mountain experiences a substantial snowpack, which provides opportunities for winter sports enthusiasts. The snowpack range varies depending on the year, but it is not uncommon for the mountain to receive several feet of snow, transforming the area into a winter wonderland.

Sourdough Mountain is also known for its numerous creeks and rivers that receive runoff from its slopes. Some notable waterways include the Sourdough Creek, which originates from the mountain and flows into the Skagit River, as well as the nearby Diablo Lake, formed by the Skagit River.

Regarding the history and lore of Sourdough Mountain, there are fascinating stories associated with its name. The mountain earned its name from the sourdough starter carried by miners during the Klondike Gold Rush in the late 1800s. The miners used the starter to make bread while prospecting in the area. This historical connection adds a sense of adventure and nostalgia to the mountain, inviting visitors to explore its rich and captivating past.

Sources:
- National Park Service: www.nps.gov
- Washington Trails Association: www.wta.org

       

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