Knoxville

Knoxville Wakes to Dense Fog and High Humidity, Sunshine Expected Post-Afternoon Showers

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Published on August 24, 2025
Knoxville Wakes to Dense Fog and High Humidity, Sunshine Expected Post-Afternoon ShowersSource: Zereshk, CC BY-SA 3.0, via Wikimedia Commons

The Knoxville area faces a gray and misty morning with overcast skies and a thick blanket of humidity, reaching a full 100%. Travelers should expect limited visibility extending to about 8 miles, so extra caution on the roads is advisable. Temperatures are mild, starting the day at 72°F, while a glance at the barometer shows a stable pressure at 29.97 in, according to the National Weather Service in Knoxville.

For those looking for a break from the rains, the forecast brings promising news—the likelihood of showers and thunderstorms is set mainly before 1 pm today, after which the clouds are expected to make way for sunshine, pushing temperatures up to a comfortable high near 84, as per the detailed forecast by the NWS. Winds remain gentle, transitioning from calm to a light northwest breeze come nighttime, which will see a dip in temperature to around 60°F, and while weather conditions seem to be calming, the aftermath of recent heavy rainfall could lead to isolated flooding through the morning and early afternoon.

The week ahead is shaping up to be pleasant, with sunny skies dominating from Monday through Wednesday, with highs fluctuating around the 80-degree mark, an ideal setting for those planning any outdoor activities. Evening temperatures are expected to cool off, settling in the high 50s to low 60s, providing a refreshing nightly respite from the daytime warmth, according to the NWS update.

However, it’s not all clear skies on the horizon; the National Weather Service's Hazardous Weather Outlook cautions East Tennesseans about the potential for isolated flooding in the region, stemming from recent heavy rainfall and lingering storms. Residents and visitors should keep a cautious eye on rising waters during this period. While the rest of the week does not anticipate serious weather threats, a minor chance of showers reappears later in the week, with a slight 20 percent chance forecast for Friday night and Saturday.