Knoxville

Knoxville Braces for Mixed Bag of Weather: Sunshine, Showers, and Thunderstorms on Horizon

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Published on November 17, 2025
Knoxville Braces for Mixed Bag of Weather: Sunshine, Showers, and Thunderstorms on HorizonSource: Jacob McGowin on Unsplash

The National Weather Service in Knoxville is forecasting a stretch of varied weather patterns for the upcoming week. According to their latest update, Knoxville residents can expect sunny skies today, with the temperature expected to reach a comfortable high of around 59°F. As night falls, the temperature is expected to drop to around 40°F under partly cloudy skies.

Looking ahead to Tuesday, there's a mild concern for weather enthusiasts and commuters alike. A 20 percent chance of showers creeps into the forecast after 1 PM, with the sky turning partly sunny and the temperature peaking near 69°F. The light and variable wind is expected to pick up speed from southwest directions, reaching 5 to 10 mph, and may experience gusts as high as 20 mph.

The weather situation is expected to intensify slightly by Tuesday night. "Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am," according to the National Weather Service. This will be accompanied by mostly cloudy conditions and a low of around 56°F, with a consistent southwest wind and possible gusts reaching 20 mph. Chances of precipitation are marked at 60 percent.

For those planning further ahead, Wednesday and Thursday will follow a similar pattern. Each day carries a 20 percent chance of showers, with highs in the low to mid-70s, and mostly cloudy skies over the region. Thursday night, however, poses a chance of showers and thunderstorms, making for a dreary end to the day. The low is expected to hover around 59°F, and the chance of precipitation is set at 40 percent.

As the week draws to a close, a cloudy Friday awaits, with a 50 percent chance of showers. The weekend will continue the trend, with showers and thunderstorms likely, and high temperatures slightly cooling to near 67°F on Saturday. For those making plans for Sunday, the forecast indicates a 20% chance of showers with partial sunshine and highs of approximately 64°F.

In addition to the regular forecast, the National Weather Service has issued a Hazardous Weather Outlook for the area, noting "extremely low afternoon relative humidity values again today," but also indicating that the low winds will keep the probability for hazardous fire weather lower than previous days. While spotters' activation is not currently needed, the outlook serves as a reminder for residents to be aware of changing conditions.