The National Weather Service has issued a Dense Fog Advisory in effect until 11-a.m. for the following area Counties: Cass-Adair-Adams-Dallas-Guthrie-Pottawattamie-Madison-Mills-Montgomery-Union-Fremont-Page-Taylor and Ringgold.

• Visibility in the fog will drop to one-quarter of a mile or less.
• If driving, slow down, use your headlights, and leave plenty of distance ahead of you.