Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

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Last Map Update: Sun, Dec 7, 2025 at 7:06:45 pm PST

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Dense Fog Advisory

Small Craft Advisory

The Week Ahead

The Week Ahead: A building ridge over the southwestern United States will result in a gradual warming trend with no precipitation in the seven day outlook. The warmest days will be Wednesday through Friday with temperatures in the upper 60s to middle 70s inland and the lower to middle 60s on the coast. There is significant uncertainty in the temperatures across the North and East Bays, where lingering Tule Fog may impact the high temperature forecasts and the impacts of the building ridge on the Tule Fog are not yet known.