If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Use extra caution at intersections, railroad crossings, and school bus stops.

DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST /9 AM MST/ FRIDAY... * WHAT...Visibility one quarter mile or less in areas of dense fog. * WHERE...Divide, McKenzie, Williams, and Dunn Counties. * WHEN...Until 10 AM CST /9 AM MST/ Friday. * IMPACTS...Low visibility in areas of dense fog could make driving conditions hazardous. * ADDITIONAL DETAILS...Some locations may not have had fog development yet, but the onset of dense fog can occur swiftly, so be prepared for the potential of rapidly deteriorating visibility. Also, the fog may deposit a thin layer of ice on roads and walking surfaces, possibly resulting in some slick spots.