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.

Fair

76°F

24°C

Humidity 82%
Wind Speed Calm
Barometer 30.21 in (1021.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Sep 1:53 am EDT
Extended Forecast for

Townsend TN

  • Overnight

    Overnight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. Heat index values as high as 102. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 69. Southeast wind around 5 mph becoming calm.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.

    High: 94 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    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 93. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.

    High: 93 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Chance
    T-storms

  • Monday

    Monday: 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 93. Chance of precipitation is 50%.

    High: 93 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny and hot, with a high near 95. Heat index values as high as 102. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 69. Southeast wind around 5 mph becoming calm.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 30%.
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 93. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening.
Monday
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 93. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65.
Tuesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 89. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms. Low around 63. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 86. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Townsend TN
 35.68°N 83.78°W (Elev. 1076 ft)
Last Update:
1:06 am EDT Sep 18, 2026
Forecast Valid:
1am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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