On Tuesday, the National Weather Service (NWS) office in Morristown, Tennessee, issued a dense fog advisory for Cherokee and Clay counties, effective until 10 a.m. Tuesday morning.
The NWS warns that "visibility of one quarter of a mile or less in dense fog" is expected. Conditions may cause visibility to "quickly drop to almost zero statute miles."
"Low visibility could make driving conditions hazardous," explains the NWS. "If driving, slow down, use low-beam headlights, and leave plenty of distance ahead of you. Allow extra time for you to reach your destination."
This advisory is issued when widespread dense fog reduces visibility significantly, making travel challenging. Motorists are urged to take extra precautions or avoid travel if possible.
This announcement was originally published on November 4, 2025, at 4:45 a.m. The advisory remains in effect until 10 a.m. on Tuesday.
Source: The National Weather Service
Author's summary: Dense fog will impact Cherokee and Clay counties until Tuesday morning, creating hazardous driving conditions requiring extra caution and slower speeds.