Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

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Last Map Update: Wed, Dec 24, 2025 at 5:02:45 am PST

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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High Wind Warning

Winter Weather Advisory

Dense Fog Advisory

Wind Advisory

Special Weather Statement

Freezing Rain Wednesday

Weekly Outlook

High Wind Warning

Heads up, everybody! There are increasing chances for freezing rain in the Waterville Plateau tomorrow morning. With freezing rain, icy and slick roads have the potential to impact the morning commute. A Winter Weather Advisory has been issued from 3-9am tomorrow.