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.

Overcast

72°F

22°C

Humidity 55%
Wind Speed SW 13 mph
Barometer 30.17 in (1020.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 4 Mar 5:53 pm EST
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 78. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 78 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Southwest wind around 5 mph.
Thursday
Partly sunny, with a high near 78. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm after midnight.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. South wind around 5 mph.
Saturday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Wednesday
Showers likely. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.07°W (Elev. 814 ft)
Last Update:
6:06 pm EST Mar 4, 2026
Forecast Valid:
6pm EST Mar 4, 2026-6pm EDT Mar 11, 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