Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

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Last Map Update: Tue, Dec 9, 2025 at 4:14:30 pm 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

Wind 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).