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.

Mostly Cloudy

83°F

28°C

Humidity 37%
Wind Speed SW 14 mph
Barometer 30.08 in (1017.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 2 Apr 4:53 pm EDT
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 83. Southwest wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 83. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 55. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. High near 66. Northwest wind around 5 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. North wind around 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 83. Southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 61. South wind around 5 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 83. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 55. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. High near 66. Northwest wind around 5 mph. Chance of precipitation is 80%.
Sunday Night
Partly cloudy, with a low around 42. North wind around 5 mph.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
Last Update:
2:26 pm EDT Apr 2, 2026
Forecast Valid:
5pm EDT Apr 2, 2026-6pm EDT Apr 9, 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