Active Weather Alerts
Dense Fog Advisory
Issued: 1:54 AM Jan. 18, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON PST SUNDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Carquinez Strait and Delta, Central and Southern Sacramento Valley, and Northern San Joaquin Valley. * WHEN...Until noon PST Sunday. * 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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