| NWS Forecast for: Louisville TN Issued by: National Weather Service Morristown, TN Last Update: 7:06 am EDT Jun 18, 2026 |  |
Today: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 30. Southwest wind around 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible. Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Southwest wind 5 to 15 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms. Juneteenth: Showers likely before 8am, then a slight chance of showers and thunderstorms between 8am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 29. West wind 5 to 10 km/h becoming northwest in the morning. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms. Friday Night: Partly cloudy, with a low around 17. North wind 5 to 10 km/h becoming calm in the evening. Saturday: Mostly sunny, with a high near 30. Calm wind. Saturday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 19. Calm wind. Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 31. Light southwest wind increasing to 10 to 15 km/h in the afternoon. Chance of precipitation is 60%. Sunday Night: Showers and thunderstorms likely, mainly before 8pm, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 70%. Monday: Showers and possibly a thunderstorm. High near 28. Breezy. Chance of precipitation is 100%. Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 20. Chance of precipitation is 80%. Tuesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 29. Tuesday Night: A slight chance of thunderstorms. Partly cloudy, with a low around 18. Chance of precipitation is 10%. Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29. | |
| Louisville TN 35.83°N 84.04°W (Elev. 863 m) | |
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