National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

55°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 30.17 in (1021.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 6 Mar 3:53 am EST
Extended Forecast for

4 Miles NNW Louisville TN

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 81. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers between 2am and 4am. Increasing clouds, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Low around 61. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. West wind around 5 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 81. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
A 20 percent chance of showers between 2am and 4am. Increasing clouds, with a low around 62. South wind around 5 mph.
Saturday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Low around 61. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. West wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 56. Calm wind.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
Showers likely. Mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Louisville TN
 35.88°N 84.06°W (Elev. 899 ft)
Last Update:
1:26 am EST Mar 6, 2026
Forecast Valid:
4am EST Mar 6, 2026-6pm EDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation