Fairfield to Vallejo on I-80 is the area under dense fog advisory in the Bay Area. Visibilities are already at .25 mile at 11:30 pm. Also expect reduced visibility in the North & East Bay.
* May have some very dense fog video coming from Sacramento to Fresno in the AM.
Dense fog looks to be the thickest on the I-5 Corridor from Sacramento to Southern California. This dense fog advisory stretches over 350 miles for the Central Valley of California.
