Moderate Expected Likely Dense Fog Advisory Dense Fog Advisory issued April 26 at 5:11AM EDT until April 26 at 10:00AM EDT by NWS Morristown TN Apr 26, 6:00 AM → Apr 26, 10:00 AM WHAT: Visibility one quarter to one half of a mile in dense fog. WHERE: Portions of southwest North Carolina and east Tennessee. WHEN: Until 10 AM EDT this morning. IMPACTS: Low visibility could make driving conditions hazardous. + Read More If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Updated: Apr 26, 7:13 AM Source: NWS Alert