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.

Fair

90°F

32°C

Humidity 43%
Wind Speed S 6 G 14 mph
Barometer 30.05 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 20 May 3:15 pm EDT
Extended Forecast for

2 Miles SSE Powell TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Southwest wind around 5 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am. High near 79. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. High near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 64. South wind around 5 mph. Chance of precipitation is 100%.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 79. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 79 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Southwest wind around 5 mph.
Tonight
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers, with thunderstorms also possible after 11am. High near 79. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm. Chance of precipitation is 50%.
Friday
Showers, with thunderstorms also possible after 11am. High near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 64. South wind around 5 mph. Chance of precipitation is 100%.
Saturday
Showers, with thunderstorms also possible after 11am. High near 79. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 82. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Chance of precipitation is 80%.
Memorial Day
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms. Low around 64. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Powell TN
 36.01°N 84.02°W (Elev. 1188 ft)
Last Update:
2:26 pm EDT May 20, 2026
Forecast Valid:
3pm EDT May 20, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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