Dense Fog Advisory issued January 06 at 2:43AM MST until January 06 at 8:00AM MST by NWS

…DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING… * WHAT…Visibility one quarter to one half mile in dense fog. * WHERE…Portions of northwest Iowa, southwest Minnesota and east central and southeast South Dakota. * WHEN…Until 9 AM CST this morning.