Weather Alerts For Tiburon, CA

URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 151 AM PST Mon Dec 15 2025 North Bay Interior Valleys-East Bay Interior Valleys-Santa Clara Valley Including San Jose- 151 AM PST Mon Dec 15 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...The Santa Clara Valley, North Bay Interior Valleys, and East Bay Interior Valleys. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If commuting, allow extra drive time to reach your destination safely. &&