Dense Fog Advisory until 01:00PM 
...Areas of Dense Fog this Morning... .Areas of dense fog continue over portions of the Delta. Motorists in the area should be prepared for sudden changes in visibility and longer travel times due to reduced visibility. Conditions are expected to improve by early afternoon.
* WHAT...Visibility below one quarter mile in dense fog.
* WHERE...Central Sacramento Valley, Southern Sacramento Valley, Carquinez Strait and Delta, and Northern San Joaquin Valley Counties.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Hazardous driving conditions due to low visibility.
* AFFECTED AREAS: CARQUINEZ STRAIT AND DELTA
Instructions:
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Address/Location
Fairfield, CA Police Department
1000 Webster St
Fairfield, CA 94533
Contact
Emergency: 9-1-1
Non-emergencies: 707-428-7300