Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

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Last Map Update: Wed, Nov 12, 2025 at 11:22:17 am PST

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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There are no watches, warnings, or advisories at this time.

Unsettled THU and FRI

A weather system will begin to move in on Thursday with precipitation increasing into Thursday night and continue through Friday night. Precipitation will start out mainly as rain, but then transition to snow over the mountains Thursday night into Friday. Light snow over Washington Pass, Stevens Pass, and Lookout Pass may result in slippery travel. Winds will also be breezy particularly overnight Thursday into early Friday with wind gusts up to around 30-40 mph expected.