Dense Fog Advisory issued December 15 at 2:56AM CST until December 15 at 11:00AM CST by NWS Sioux Falls SD

* WHAT…Visibility one half mile or less in dense fog.

* WHERE…Portions of northwest and west central Iowa, southwest
Minnesota, northeast Nebraska, and central, east central, south
central, and southeast South Dakota.

* WHEN…Until 11 AM CST this morning.

* IMPACTS…Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS…Temperatures near to below freezing could
lead to isolated slick spots or minor icing, especially on
untreated surfaces.