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Dense Fog Advisory

Status

New Event Active alert

Start Time

Fri 11/21/2025 02:36 AM EST

End Time

Fri 11/21/2025 01:00 PM EST

Significance

Advisory

Impacts

Low impact

Locations Affected

Stockton, CA ∙ Sacramento, CA ∙ Modesto, CA ∙ Elk Grove, CA ∙ Roseville, CA ∙ Tracy, CA ∙ Vacaville, CA ∙ Chico, CA ∙ Citrus Heights, CA ∙ Folsom, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 1136 PM PST Thu Nov 20 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Sacramento Valley, Northern San Joaquin Valley, and Southern Sacramento Valley. * WHEN...Until 10 AM PST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...For the Central Sacramento Valley, dense fog will likely develop along and east of Highway 99. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Technical Header

CAZ016-017-019-211800- /O.NEW.KSTO.FG.Y.0005.251121T0736Z-251121T1800Z/ Central Sacramento Valley-Southern Sacramento Valley-Northern San Joaquin Valley- Including the cities of Marysville/Yuba City, Sacramento, Stockton, Oroville, Modesto, and Chico 1136 PM PST Thu Nov 20 2025