Dense Fog Advisory issued December 15 at 9:08AM CST until December 15 at 11:00AM CST by NWS Sioux Falls SD

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

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

* WHEN…Until 11 AM CST this morning.

* IMPACTS…Low visibility could make driving conditions hazardous.