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.

Mostly Cloudy

20°C

68°F

Humidity 68%
Wind Speed SW 19 km/h
Barometer 1011.9 mb (29.90 in)
Dewpoint 14°C (57°F)
Visibility 16 km
Last update 9 May 9:53 pm EDT
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 12. Calm wind.

    Low: 12 °C

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, sunny, with a high near 28. Calm wind.

    High: 28 °C

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 14. Calm wind.

    Low: 14 °C

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 22. Northeast wind around 15 km/h, with gusts as high as 30 km/h.

    High: 22 °C

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 7. Northeast wind 10 to 15 km/h.

    Low: 7 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 23. Northeast wind 5 to 10 km/h.

    High: 23 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 11. Calm wind.

    Low: 11 °C

    Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 26.

    High: 26 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 11.

    Low: 11 °C

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 12. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 28. Calm wind.
Sunday Night
A 30 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 14. Calm wind.
Monday
A 30 percent chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 22. Northeast wind around 15 km/h, with gusts as high as 30 km/h.
Monday Night
Mostly clear, with a low around 7. Northeast wind 10 to 15 km/h.
Tuesday
Sunny, with a high near 23. Northeast wind 5 to 10 km/h.
Tuesday Night
Clear, with a low around 11. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 26.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 11.
Thursday
Sunny, with a high near 23.
Thursday Night
Mostly clear, with a low around 9.
Friday
Sunny, with a high near 26.
Friday Night
Mostly clear, with a low around 13.
Saturday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 m)
Last Update:
7:07 pm EDT May 9, 2026
Forecast Valid:
10pm EDT May 9, 2026-6pm EDT May 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation