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Radar valid at 1200 pm PST, Jan 18th 2026

alert legend

CAZ016>019-182000-
/O.NEW.KSTO.FG.Y.0005.260118T0154Z-260118T2000Z/
Central Sacramento Valley-Southern Sacramento Valley-Carquinez
Strait and Delta-Northern San Joaquin Valley-
Including the cities of Modesto, Chico, Fairfield/Suisun,
Sacramento, Marysville/Yuba City, Oroville, and Stockton
554 PM PST Sat Jan 17 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON PST SUNDAY...

* WHAT...Visibility one quarter mile or less in dense fog.

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

* WHEN...Until noon PST Sunday.

* 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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