Knoxville

Dense Fog Advisory Issued in Morristown Affecting Visibility in Southwest NC, East TN, and Southwest VA

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Published on November 04, 2025
Dense Fog Advisory Issued in Morristown Affecting Visibility in Southwest NC, East TN, and Southwest VASource: Google Street View

The National Weather Service in Morristown, TN has issued a Dense Fog Advisory early this morning, which is impacting the visibility across various parts of southwest North Carolina, east Tennessee, and southwest Virginia. The advisory warns of visibility dropping to "one quarter of a mile or less in dense fog" and is set to remain in effect until 10 AM EST /9 AM CST today, according to the National Weather Service. Motorists are advised to exercise caution during their morning commute.

As per the National Weather Service, the fog has been especially dense near rivers and lakes, with conditions causing visibility to quickly drop to almost zero in some areas. Drivers are advised to "slow down, use low-beam headlights, and leave plenty of distance ahead of you" in order to safely navigate the roads. The advisory is part of a concerted effort to remind people to allow extra time to safely reach their destinations under the obscured conditions.

The National Weather Service detailed forecast leading up to this advisory included mostly cloudy skies overnight with a low around 37, followed by patchy fog between 7am and 8am. The day is expected to clear up, becoming sunny with a high near 66 degrees, and calm winds. While this provides some respite later in the day, the morning hours will be challenging for those on the roads.

This weather situation highlights the unpredictable nature of fall weather in the region, as just days ago the weather was marked by clearer skies and calmer conditions. The National Weather Service Morristown emphasizes the importance of preparation and caution during these foggy conditions stating, "Allow extra time for you to reach your destination." Ensuring that drivers are aware of the potential dangers and advising them to take necessary precautions to prevent any unfortunate incidents on the road.

The National Weather Service continues to monitor the situation and provides updates as necessary. For additional weather-related information and future forecasts for the Knoxville area, individuals can visit the National Weather Service Knoxville website or check local media outlets.