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

74°F

23°C

Humidity 88%
Wind Speed Calm
Barometer 30.31 in (1025.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Sep 12:53 am EDT
Extended Forecast for

3 Miles E Powell TN

  • Overnight

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

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 5pm. Patchy fog between 7am and 9am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind.

    High: 93 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind becoming north around 5 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Northeast wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Mostly Sunny
    then Chance
    Showers

  • 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
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Mostly Sunny
    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 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Calm wind.
Thursday
A 10 percent chance of showers and thunderstorms after 5pm. Patchy fog between 7am and 9am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind.
Thursday Night
Partly cloudy, with a low around 71. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind becoming north around 5 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Northeast wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. 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. Mostly sunny and hot, with a high near 91.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Powell TN
 36.03°N 83.96°W (Elev. 1204 ft)
Last Update:
1:06 am EDT Sep 17, 2026
Forecast Valid:
1am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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Additional Resources

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