Dense Fog Advisory issued January 1 at 11:08AM MST until January 2 at 12:00PM MST by NWS Great Falls MT

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

* WHERE…Eastern Pondera and Eastern Teton Counties, Northern High
Plains, and Cascade County below 5000ft.

* WHEN…Until noon MST Thursday.

* IMPACTS…Low visibility and winter road conditions could make
driving hazardous.

* ADDITIONAL DETAILS…Visibilities may briefly improve through the
afternoon before falling again this evening and into the morning
hours on Thursday.