Dense Fog Advisory issued December 30 at 5:08AM CST until December 30 at 12:00PM CST by NWS Quad Cities IA IL

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

* WHERE…In Illinois, Carroll, Rock Island, and Whiteside Counties.
In Iowa, Cedar, Clinton, Johnson, Muscatine, Scott, Keokuk, and
Washington Counties.

* WHEN…Until noon CST today.

* IMPACTS…Low visibility could make driving conditions hazardous.