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

Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through Wednesday. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

50°F

10°C

Humidity 62%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 23 Mar 9:35 pm EDT
Extended Forecast for

4 Miles S Powell TN

  • Tonight

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

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 63. Northeast wind 5 to 10 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 59. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 59 °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
Mostly cloudy, 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.
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 59. 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
 35.96°N 84.02°W (Elev. 1099 ft)
Last Update:
7:06 pm EDT Mar 23, 2026
Forecast Valid:
9pm EDT Mar 23, 2026-6pm EDT Mar 30, 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