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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

43°F

6°C

Humidity 71%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Nov 8:15 pm EST
Extended Forecast for

Powell TN

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 71. Southwest wind around 5 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Cloudy, with a low around 58. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Calm wind.
Tuesday
Partly sunny, with a high near 67. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 71. Southwest wind around 5 mph.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Cloudy, with a low around 58. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 40%.
Friday
A 50 percent chance of showers. Cloudy, with a high near 70.
Friday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 63.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 62.
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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:
6:06 pm EST Nov 17, 2025
Forecast Valid:
8pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
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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