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

Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

63°F

17°C

Humidity 39%
Wind Speed N 7 G 17 mph
Barometer 30.19 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 23 Mar 5:15 pm EDT
Extended Forecast for

4 Miles S Powell TN

  • Tonight

    Tonight: Increasing clouds, with a low around 40. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 63. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Southwest wind around 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers after 2pm. Partly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 40. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 63. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 43. Calm wind.
Wednesday
Partly sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 76. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 60. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 73.
Friday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 38.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Powell TN
 35.97°N 84.05°W (Elev. 1099 ft)
Last Update:
2:26 pm EDT Mar 23, 2026
Forecast Valid:
5pm EDT Mar 23, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation