Weather Alerts For Tracy, CA

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 436 PM PST Mon Dec 29 2025 Central Sacramento Valley-Southern Sacramento Valley-Northern San Joaquin Valley- Including the cities of Oroville, Marysville/Yuba City, Modesto, Chico, Stockton, and Sacramento 436 PM PST Mon Dec 29 2025 ...DENSE FOG ADVISORY IN EFFECT FROM 2 AM TO NOON PST TUESDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Sacramento Valley, Northern San Joaquin Valley, and Southern Sacramento Valley. * WHEN...From 2 AM to noon PST Tuesday. * 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. &&