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

DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM CST THIS MORNING... * WHAT...Visibility one half mile or less in dense fog. * WHERE...Portions of northwest and west central Arkansas and east central, northeast and southeast Oklahoma. * WHEN...Until 11 AM CST this morning. * IMPACTS...Visibilities are expected to be reduced to less than one quarter mile by the dense fog in some areas, creating hazardous driving conditions.