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Published on December 28, 2024
Knoxville and Chattanooga Brace for Potential Severe Weather, Flood Risk West of I-75Source: Google Street View

The National Weather Service in Knoxville has issued a weather forecast for the coming days, marking a wet pattern with several chances for showers and potential thunderstorms. The forecast details a slight chance of showers today, with a 50% chance of precipitation and new amounts of less than a tenth of an inch possible. As the day progresses, showers and thunderstorms are deemed likely, transitioning into heavier rainfall and possible thunderstorms after 2 a.m. The National Weather Service in Morristown TN also published a Hazardous Weather Outlook, signaling that localized flooding issues are plausible, mainly west of I-75 through Sunday morning.

Conditions are expected to deteriorate late tonight with the arrival of a line of storms that carry the risk of severe weather. Damaging wind gusts and a low risk of tornadoes present primary concerns. "Severe weather will likely be limited to southeast Tennessee, in the Chattanooga vicinity, and southwest North Carolina," the National Weather Service forecast states. Additionally, the Wind gusts could reach up to 80 mph in certain East Tennessee mountain areas and adjacent foothills tonight into Sunday morning.

Following today's forecast, Sunday's outlook isn't any sunnier. The chance of showers and thunderstorms persists at 100%, with southwest winds around 15 mph and possible gusts as high as 30 mph. Monday, however, may offer a brief respite with mostly sunny conditions anticipated, and a high near 59 degrees.

Looking further ahead, the unpredictable conditions continue with a 40% chance of showers Monday night, extending into Tuesday which has a 70% chance of showers. By New Year's Day, the area expects mostly cloudy skies, with a more stable pattern gradually taking hold towards the end of the week. The National Weather Service advises that spotter reports of severe weather may be needed Saturday night and Sunday morning, per their Hazardous Weather Outlook.