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.

Light Rain

77°F

25°C

Humidity 71%
Wind Speed NE 6 mph
Barometer 30.12 in (1018.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Sep 9:53 pm EDT
Extended Forecast for

2 Miles WSW Louisville TN

  • Tonight

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

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest around 5 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest around 5 mph.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm. Chance of precipitation is 50%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Louisville TN
 35.81°N 84.1°W (Elev. 974 ft)
Last Update:
9:16 pm EDT Sep 18, 2026
Forecast Valid:
10pm EDT Sep 18, 2026-6pm EDT Sep 25, 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