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

76°F

24°C

Humidity 54%
Wind Speed SW 18 G 29 mph
Barometer 30.01 in (1015.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 7 Mar 5:53 pm EST
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Low around 61. Southwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely before 4pm, then a slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the morning.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind around 5 mph.

    Low: 58 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 82. Breezy.

    High: 82 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 43. Breezy. Chance of precipitation is 90%.

    Low: 43 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Low around 61. Southwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms likely before 4pm, then a slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 54. Calm wind.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the morning.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind around 5 mph.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 63. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 82. Breezy.
Wednesday Night
Showers and possibly a thunderstorm. Low around 43. Breezy. Chance of precipitation is 90%.
Thursday
A 40 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 54. Breezy.
Thursday Night
Mostly clear, with a low around 36.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.81°N 84.04°W (Elev. 850 ft)
Last Update:
6:06 pm EST Mar 7, 2026
Forecast Valid:
6pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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