If driving, slow down, use your low beam headlights, and leave plenty of distance between you and the vehicle in front of you. Plan to leave early and allow extra time to reach your destination.

DENSE FOG ADVISORY IN EFFECT FROM 1 AM TO 11 AM PST MONDAY... * WHAT...Visibility less than one quarter mile in dense fog, with areas as low as 200 feet. * WHERE...San Joaquin Valley north of Kern County * WHEN...From 1 AM to 11 AM PST Monday. * IMPACTS...Low visibility will make driving conditions hazardous. * ADDITIONAL DETAILS...Highways impacted include Highways 99, 198, 180, 168, 152, 140, 43, and 41. Portions of Interstate 5 could also see patches of dense fog.