Interactive NWS Alert

Radar valid at 100 pm PST, Jan 23rd 2026

CAZ016>019-232100-
/O.EXT.KSTO.FG.Y.0010.000000T0000Z-260123T2100Z/
Central Sacramento Valley-Southern Sacramento Valley-Carquinez
Strait and Delta-Northern San Joaquin Valley-
Including the cities of Chico, Oroville, Fairfield/Suisun,
Modesto, Stockton, Sacramento, and Marysville/Yuba City
1035 AM PST Fri Jan 23 2026

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON...

* 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 1 PM PST this afternoon.

* 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.

&&

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.