Dense Fog Advisory issued December 08 at 11:21AM MST until December 08 at 11:00PM MST by NWS

…DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT… * WHAT…Visibility near zero in dense fog. * WHERE…Portions of east central and southeast South Dakota, northwest Iowa and southwest Minnesota. * WHEN…Until midnight CST tonight. * IMPACTS…Hazardous driving conditions due to low visibility.