Hydrologic Outlook
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ESFSEW A series of atmospheric rivers will provide rounds of increasingly impactful rainfall starting on Friday and continuing through early next week. Snow levels will remain around 5000 to 6000 feet. Expect rising rivers with potential for flooding especially for rivers flowing off the Olympics and Cascades. Urban flooding and landslides are also possible throughout this period as the soil conditions remain wet.


Sinister Peak Mountain Peaks

Last Updated: December 4, 2025

Sinister Peak is a prominent mountain located in the Pacific Ranges of the North Cascades in Washington, United States.


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