If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THURSDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Midland, Bay, Huron, Saginaw, Tuscola, Sanilac, Shiawassee, Genesee and Lapeer Counties. * WHEN...Until 11 AM EST Thursday. * IMPACTS...Hazardous driving conditions due to low visibility. * ADDITIONAL DETAILS...There may be some modest improvement in visibilities this afternoon with rainfall, however, it is expected to be temporary.