National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Mostly Cloudy

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Jun 8:35 am EDT
Extended Forecast for

Powell TN

  • Today

    Today: Sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind around 5 mph.

    High: 90 °F

    Hot

  • Tonight

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

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 89. Heat index values as high as 98. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 67. Calm wind. Chance of precipitation is 80%.

    Low: 67 °F

    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 87. North wind around 5 mph becoming calm.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms then
    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 72. Southwest wind around 5 mph.
Friday
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 89. Heat index values as high as 98. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 67. Calm wind. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 87. North wind around 5 mph becoming calm.
Saturday Night
A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 67. Calm wind.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 65. Chance of precipitation is 80%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Powell TN
 36.03°N 84.02°W (Elev. 1001 ft)
Last Update:
7:06 am EDT Jun 11, 2026
Forecast Valid:
8am EDT Jun 11, 2026-6pm EDT Jun 17, 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