Dense Fog Advisory

Locations Affected

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

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 301 AM PST Mon Jan 19 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * 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 noon PST today. * 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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