If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Plan on extra travel time during the Wednesday morning commute.

DENSE FOG ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM WEDNESDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Midland, Bay, Huron, Saginaw, Tuscola, Sanilac, Shiawassee, Genesee, Lapeer and Livingston Counties. * WHEN...From 7 PM this evening to 10 AM EST Wednesday. * IMPACTS...Hazardous driving conditions due to low visibility. * ADDITIONAL DETAILS... Fog becomes dense after sunset while expanding in coverage across the area during the evening. Near zero visibility is possible at times until the fog lifts around mid Wednesday morning.