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

DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog at times. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...Until noon CST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas of drizzle are also possible. Areas where temperatures fall to near or below freezing will see slippery conditions, especially on untreated surfaces.