Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

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Last Map Update: Wed, Dec 10, 2025 at 4:58:28 am PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Dense Fog Advisory

Small Craft Advisory

Beach Hazards Statement

The Week Ahead

Record Temperatures This Week

Mild, dry weather will persist through the week, with record highs possible from Tuesday through Thursday. Highs will reach the 60s across the Sierra and western Nevada valleys, peaking Wednesday when some warmer valleys could reach the upper 60s (around 15–20° above average).