Dense Fog Advisory

Locations Affected

Sacramento, CA ∙ Stockton, CA ∙ Modesto, CA ∙ Elk Grove, CA ∙ Vallejo, CA ∙ Fairfield, CA ∙ Roseville, CA ∙ Chico, CA ∙ Citrus Heights, CA ∙ Vacaville, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 234 PM PST Fri Jan 23 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY... * 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...Until 10 AM PST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous during the evening commute and the Saturday morning commute. * ADDITIONAL DETAILS...Dangerous driving conditions with visibilities lower than 500 feet at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

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