502 

WWUS76 KSTO 310756

NPWSTO



URGENT - WEATHER MESSAGE

National Weather Service Sacramento CA

1156 PM PST Tue Dec 30 2025



CAZ019-311900-

/O.EXA.KSTO.FG.Y.0019.000000T0000Z-251231T1900Z/

Northern San Joaquin Valley-

Including the cities of Stockton and Modesto

1156 PM PST Tue Dec 30 2025



...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST WEDNESDAY...



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



* WHERE...Northern San Joaquin Valley.



* WHEN...Until 11 AM PST Wednesday.



* 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.



&&



$$



CAZ016-017-311900-

/O.CON.KSTO.FG.Y.0019.000000T0000Z-251231T1900Z/

Central Sacramento Valley-Southern Sacramento Valley-

Including the cities of Oroville, Chico, Sacramento, and

Marysville/Yuba City

1156 PM PST Tue Dec 30 2025



...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST WEDNESDAY...



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



* WHERE...Central Sacramento Valley and Southern Sacramento Valley.



* WHEN...Until 11 AM PST Wednesday.



* 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.



&&



$$



For more information, visit us at www.weather.gov/sto/



DA