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

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

69°F

21°C

Humidity 45%
Wind Speed SW 3 mph
Barometer 30.08 in (1017.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 22 Apr 9:53 pm EDT
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming west around 5 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 76. Southwest wind around 5 mph. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Calm wind.
Thursday
Sunny, with a high near 82. Calm wind becoming west around 5 mph.
Thursday Night
Mostly clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 60. South wind around 5 mph.
Saturday
Showers, with thunderstorms also possible after 11am. High near 76. Southwest wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Monday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms. High near 79. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.81°N 84.04°W (Elev. 850 ft)
Last Update:
7:06 pm EDT Apr 22, 2026
Forecast Valid:
10pm EDT Apr 22, 2026-6pm EDT Apr 29, 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