According to the National Weather Service in Morristown there is a Dense Fog Advisory this morning for Greene County and areas along and north of I-40.
Use caution while traveling. Areas south of I-40 will have some fog as well but not as dense. Visibility is one quarter mile or less for most locations within the advisory. Hazardous driving conditions are possible due to low visibility.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.