Dense Fog Advisory issued January 7 at 9:16AM MST until January 7 at 12:00PM MST by NWS Cheyenne WY

* WHAT…Visibility less than one-quarter mile in dense fog.
Freezing fog could also be possible.

* WHERE…South Laramie Range including the Interstate 80 Summit
between Cheyenne and Laramie, and Laramie Valley.

* WHEN…Until noon MST today.

* IMPACTS…Low visibility could make driving conditions hazardous.