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.

Fair

49°F

9°C

Humidity 64%
Wind Speed Calm
Barometer 30.09 in (1018.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 1 Mar 2:53 am EST
Extended Forecast for

Louisville TN

  • Overnight

    Overnight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 70. Calm wind becoming north around 5 mph in the afternoon.

    High: 70 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 46. Northeast wind around 5 mph.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 64. Northeast wind around 5 mph becoming calm in the morning.

    High: 64 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. South wind around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 45. Calm wind.
Sunday
Increasing clouds, with a high near 70. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 46. Northeast wind around 5 mph.
Monday
A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 64. Northeast wind around 5 mph becoming calm in the morning.
Monday Night
Mostly cloudy, with a low around 49. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Mostly cloudy, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Saturday
A 50 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
Last Update:
1:26 am EST Mar 1, 2026
Forecast Valid:
3am EST Mar 1, 2026-6pm EST Mar 7, 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