* WHAT…Visibility one quarter mile or less in dense fog.
* WHERE…Oneida, Vilas, Florence, Forest, and Northern Marinette
County Counties.
* WHEN…Until noon CST Friday.
* IMPACTS…Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS…Untreated roads and sidewalks may be slick
into tonight due to a combination of the fog and freezing drizzle.