Active Weather Alerts
Dense Fog Advisory
Issued: 1:28 PM Dec. 12, 2025 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys, East Bay Interior Valleys and Santa Clara Valley, including San Jose. * WHEN...Until 11 AM PST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
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