Active Weather Alerts
Dense Fog Advisory
Issued: 10:32 AM Nov. 25, 2025 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility will make navigation difficult. * ADDITIONAL DETAILS...The most severe impacts are expected across the San Pablo Bay, the Suisun Bay, and the West Delta. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. &&
Dense Fog Advisory
Issued: 10:01 PM Nov. 24, 2025 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM PST TUESDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Carquinez Strait and Delta, Central Sacramento Valley, Northern San Joaquin Valley, and Southern Sacramento Valley. * WHEN...From midnight tonight to 11 AM PST Tuesday. * 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. &&
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