Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

39°F

4°C

Humidity 75%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 9 Dec 10:15 pm EST
Extended Forecast for

4 Miles S Powell TN

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers between 4pm and 5pm.  Partly sunny, with a high near 51. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 51 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 1am.  Mostly cloudy, with a low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 41. West wind around 5 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Southwest wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Southwest wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers between 4pm and 5pm. Partly sunny, with a high near 51. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 41. West wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 31. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 34. Southwest wind around 5 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 54.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 36.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 43.
Sunday Night
Mostly clear, with a low around 21.
Monday
Mostly sunny, with a high near 42.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 30.
Tuesday
A slight chance of rain or freezing rain. Partly sunny, with a high near 46. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Powell TN
 35.96°N 84.02°W (Elev. 1099 ft)
6:25 pm EST Dec 9, 2025
10pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database