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Updated:January 30, 2026 10:15 pm PST

Dense Fog Advisory DENSE FOG ADVISORY  
El Dorado County
Effective: Fri, 1/30 12:45pm Severity:  Moderate 
Updated: January 30, 2026 10:15 pm Urgency: Expected
Expires: Sat, 1/31 12:00pm Certainty: Likely
Areas Affected: Central Sacramento Valley - Southern Sacramento Valley - Carquinez Strait and Delta - Northern San Joaquin Valley
 
Alert Details: 
* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Carquinez Strait and Delta, Central/Southern Sacramento
Valley, Northern San Joaquin Valley.

* WHEN...From midnight tonight to noon PST Saturday.

* IMPACTS...Low visibility could make driving conditions hazardous.

Information: 
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.