If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.

DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of east central, northeast and southeast Oklahoma. * WHEN...Until 10 AM CST Tuesday. * IMPACTS...Visibilities are expected to be reduced to less than one quarter mile by the dense fog, creating hazardous driving conditions.