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.

Mount Rainier Mountain Peaks

Mountain Peaks

Pacific Ranges

Cascade Range

Last Updated: December 12, 2025

Mount Rainier is an impressive stratovolcano located in the Pacific Ranges mountain range of Washington state, USA.

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Summary

Standing at an elevation of 14,417 feet (4,394 meters), it is the highest peak in the state and a prominent landmark in the region. The mountain covers a vast area of approximately 95 square miles (246 square kilometers) and is surrounded by stunning glaciers, making it a popular destination for mountaineering enthusiasts.

During the winter season, Mount Rainier experiences heavy snowfall, resulting in a substantial snowpack. The snowpack range can vary across the mountain but typically reaches depths of over 10 feet (3 meters) at higher elevations. This abundant snowfall provides ample opportunities for winter sports such as skiing and snowboarding. Additionally, several creeks and rivers, including the Carbon River, White River, and Nisqually River, originate from the mountain, fed by the melting glaciers and snowmelt runoff.

The name "Mount Rainier" is attributed to British naval officer George Vancouver, who named it after his friend and fellow officer, Rear Admiral Peter Rainier. Interestingly, the indigenous people of the region have their own names and legends associated with the mountain. According to local lore, the mountain is a sacred place inhabited by spirits, and its eruptions are believed to be caused by battles between these supernatural beings. Today, Mount Rainier is not only a majestic natural wonder but also a cherished symbol of Washington state, attracting thousands of visitors each year.

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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.