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.

Partly Cloudy

84°F

29°C

Humidity 61%
Wind Speed Calm
Barometer 30.22 in (1021.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 Sep 10:53 am EDT
Extended Forecast for

Townsend TN

  • Today

    Today: Mostly sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Increasing clouds, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms then
    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 101. Calm wind becoming north around 5 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 66. East wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. South wind around 5 mph becoming calm.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind. Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

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

    High: 89 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Today
Mostly sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming north around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Increasing clouds, with a low around 68. 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 101. Calm wind becoming north around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 66. East wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. South wind around 5 mph becoming calm.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 64. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Townsend TN
 35.7°N 83.75°W (Elev. 1175 ft)
Last Update:
7:06 am EDT Sep 18, 2026
Forecast Valid:
11am EDT Sep 18, 2026-6pm EDT Sep 24, 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