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.

Partly Cloudy

86°F

30°C

Humidity 59%
Wind Speed SW 9 mph
Barometer 29.97 in (1013.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 10 Jun 7:53 pm EDT
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: Mostly clear, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the morning.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Showers and possibly a thunderstorm after 2pm. High near 90. Heat index values as high as 97. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 90 °F

    Sunny then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 68. West wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 72. Southwest wind around 5 mph.
Friday
Showers and possibly a thunderstorm after 2pm. High near 90. Heat index values as high as 97. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 68. West wind around 5 mph becoming calm. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 88. Calm wind.
Saturday Night
Partly cloudy, with a low around 69. Calm wind.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.
Monday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
Last Update:
7:06 pm EDT Jun 10, 2026
Forecast Valid:
8pm EDT Jun 10, 2026-6pm EDT Jun 17, 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