Dense Fog Advisory

Locations Affected

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

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 425 PM PST Thu Jan 22 2026 ...DENSE FOG ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PST FRIDAY... * 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 10 PM this evening to 11 AM PST Friday. * 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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