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 6:36:56 am PST

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National Weather Service San Joaquin Valley, CA

Dense Fog Advisory

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High Temperatures Today

Patchy Fog

A look at the forecast high temperatures for today, Tuesday December 9, 2025. Seasonable high temperatures continue across NorCal today.

Morning fog is expected to develop across portions of the Valley and Delta over the next couple of days. If you're traveling, please slow down & use your low-beam headlights!

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