Knoxville

Knoxville Braces for Dynamic Weather: Sunny Days, Arctic Snap, and Snow Showers Ahead

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Published on December 12, 2025
Knoxville Braces for Dynamic Weather: Sunny Days, Arctic Snap, and Snow Showers AheadSource: Unsplash/Andrew Ruiz

The National Weather Service in Knoxville is forecasting some dynamic weather shifts for the region over the next few days. According to the National Weather Service, today will see a change from overcast skies to mostly sunny, with temperatures peaking at around 54 degrees. However, tonight's temperatures are expected to drop to 33 degrees under partly cloudy skies.

Moving into the weekend, the weather looks generally favorable. Saturday will maintain the sunny trend with a high once again near 54 degrees and calm winds shifting west. For those going out, the nighttime will present a slight chance of rain showers before five in the morning, potentially turning into snow showers as the clouds increase and the temperature plummets to around 25 degrees. The NWS Hazardous Weather Outlook cautions that the snow bands moving through the region could drop "1/2 to 1 inch of snow mainly areas over grassy and elevated surfaces."

Heading into Sunday, get ready to pull out your heaviest coats. The NWS predicts a significant temperature drop with daytime highs only reaching near 31 degrees—thanks to an Arctic cold snap—and nighttime lows may fall to a bone-chilling 13 degrees. Gusty north winds could make these temperatures feel even colder.

The NWS Hazardous Weather Outlook states, "Very cold wind chills near 5 below mountains and single digits for the valley" will be a factor people should prepare for. Looking towards the start of next week, weather conditions improve slightly with sunny skies and highs nearing 36 on Monday, and then a gradual warming trend will see temperatures rebound to 47 by Tuesday.

By mid-week, as the NWS notes, you'll want to keep your umbrella handy since there's a 20 percent chance of showers Wednesday night, increasing to a 50 percent chance by Thursday.