
Residents in Knoxville should look out for a mix of showers and potential thunderstorms as the day progresses, according to the latest bulletin from the National Weather Service (NWS). While the morning might start off calm and overcast, with a high humidity level pegged at 100%, there's a 40% chance of precipitation later in the day that could include thunderstorms after 5 p.m., as the temperate weather sees highs near 81°F. A light southwest breeze is expected to pick up in the afternoon.
As night falls, the likelihood of showers and thunderstorms increases significantly, and NWS estimates a 90% chance of rain with the possibility of new rainfall amounts ranging between a quarter and half an inch, it's going to be a wet evening for those venturing outside so best to pack an umbrella if you're heading out, showers and possibly a thunderstorm are expected after 2 a.m. with a low around 67°F. Post-midnight, the wind direction is anticipated to shift from south to west.
Wednesday morning will see a continuation of the rainy conditions with showers and thunderstorms likely before 11 a.m.; however, the chances of showers will decrease as we move into the early afternoon. The National Weather Service also indicates a high near 75°F with those north winds blowing at 5 to 10 mph. The day's total precipitation could range between a negligible tenth to a more noticeable quarter of an inch, though this could be higher in thunderstorm-prone areas.
Looking ahead, the forecast for Wednesday night through Columbus Day appears more promising, Knoxville dwellers can expect partly cloudy skies to give way to mostly sunny days, with temperatures comfortably sitting in the low to mid-70s, nighttime temperatures are forecasted to drop to the low 50s, and while the northeast wind persists, it might bring gusts as high as 20 mph on Wednesday night. The weekend in particular is set to feature sunny weather with highs again reaching around 75°F, ideal for outdoor activities, as Columbus Day on Monday maintains this pattern of sunshine and agreeable temps.
For the most accurate and up-to-date weather information, visit the NWS Knoxville website for detailed forecasts and advisories.









