Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

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Last Map Update: Wed, Dec 10, 2025 at 9:10:30 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).