Knoxville

Knoxville Warned of Dense Fog and Rising Heat, NWS Alerts for Changing Visibility and Potential Storms

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Published on August 14, 2025
Knoxville Warned of Dense Fog and Rising Heat, NWS Alerts for Changing Visibility and Potential StormsSource: Google Street View

The National Weather Service in Knoxville has issued a weather forecast for the coming days, warning residents of potentially hazardous conditions. According to the latest update, areas of dense fog enveloped the region this morning, prompting advisories for reduced visibility on the roads. The NWS cautions motorists to be prepared for "quick changes in visibility" while traveling.

The Knoxville area is bracing for a combination of weather patterns, including a 40 percent chance of showers and thunderstorms, primarily developing later this afternoon. While the fog is expected to clear before 10 am today, Knoxville residents should anticipate high temperatures approaching the upper 80s with heat index values inching close to a sweltering 95 degrees. As night falls, the possibility of showers and storms drops significantly to a scant 10 percent before 8 pm, offering some respite in the form of partly cloudy skies and a mild low around 71 degrees, as reported by the NWS forecast.

The NWS outlook extends through the weekend into next week, with largely sunny and increasingly hot conditions, with daytime highs steadily climbing from 91 on Friday to a scorching 94 by Monday. Each day carries a slight chance of afternoon showers and thunderstorms, though no significant hazardous weather is expected at this time. Nights are expected to remain partly cloudy with lows hovering in the low 70s.

Moving into the next week, residents should expect a pattern similar to the preceding days, with mostly sunny skies and persistent heat, potentially hitting a high near 94 degrees. However, the chance of inconvenient showers and thunderstorms slightly increases to 20 percent both during days and nights, bringing in a mild, yet noticeable pattern variation.

The Hazardous Weather Outlook released by the National Weather Service in Morristown extends to nearby regions, including parts of southwest North Carolina, east Tennessee, and southwest Virginia. Despite the treacherous fog witnessed earlier today, the NWS confirms, "No hazardous weather is expected at this time."