738 
WWUS76 KSTO 050612
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1012 PM PST Thu Dec 4 2025

CAZ015>019-051900-
/O.NEW.KSTO.FG.Y.0014.251205T0612Z-251205T1900Z/
Northern Sacramento Valley-Central Sacramento Valley-Southern
Sacramento Valley-Carquinez Strait and Delta-Northern San Joaquin
Valley-
Including the cities of Red Bluff, Oroville, Fairfield/Suisun,
Chico, Stockton, Redding, Marysville/Yuba City, Modesto, and
Sacramento
1012 PM PST Thu Dec 4 2025

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

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

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

* WHEN...Until 11 AM PST Friday.

* IMPACTS...Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...Find the latest road conditions at 
  quickmap.dot.ca.gov

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/

NR

830 
WWUS76 KSTO 051847
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1047 AM PST Fri Dec 5 2025

CAZ015>019-052000-
/O.EXP.KSTO.FG.Y.0014.000000T0000Z-251205T1900Z/
Northern Sacramento Valley-Central Sacramento Valley-Southern
Sacramento Valley-Carquinez Strait and Delta-Northern San Joaquin
Valley-
Including the cities of Marysville/Yuba City, Sacramento,
Redding, Stockton, Red Bluff, Chico, Fairfield/Suisun, Oroville,
and Modesto
1047 AM PST Fri Dec 5 2025

...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM PST THIS MORNING...

The Dense Fog Advisory will be allowed to expire at 11 AM PST this 
morning. Visibility is improving this morning, but continue 
to use caution if you encounter areas of patchy dense fog while 
driving.

$$

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

DA