Active Weather Alerts
Dense Fog Advisory
Issued: 9:34 AM Jan. 17, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northern San Joaquin Valley, Southern Sacramento Valley and the Delta. Densest fog is expected near the Sacramento and San Joaquin rivers and the Delta. * WHEN...Until 10 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. &&
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