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.

Hannegan Peak Mountain Peaks

Mountain Peaks

Pacific Ranges

Cascade Range

Last Updated: December 12, 2025

Hannegan Peak is a prominent summit located in the Pacific Ranges mountain range, known for its stunning beauty and challenging mountaineering opportunities.

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Summary

With an elevation of approximately 6,186 feet (1,885 meters), it offers breathtaking panoramic views of the surrounding landscape. This peak is situated within the North Cascades National Park in Washington state, making it a popular destination for outdoor enthusiasts.

During the winter season, the snowpack range on Hannegan Peak can vary significantly. Snow accumulation typically begins in November and can persist well into June. The snowpack depth can range from several feet to over ten feet, creating prime conditions for snowshoeing, skiing, and snowboarding. It is important to note that appropriate equipment and backcountry travel knowledge are essential for safe exploration during this time.

Hannegan Peak is nestled within a region that boasts numerous creeks and rivers. One such example is the Nooksack River, which receives runoff from the mountain's snowmelt and contributes to its robust flow. This river is renowned for its scenic beauty and is a popular spot for fishing, kayaking, and rafting.

The name "Hannegan" has historical significance in the region. It is derived from the surname of an early settler, E. C. Hannegan, who was an attorney and politician. While there are no specific legends or lore associated with Hannegan Peak, its rich history and majestic presence make it an enticing destination for mountaineers and outdoor enthusiasts alike.

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Hydrologic Outlook
Until 2025-12-13T06:30:00-08:00 • National Weather Service
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.