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, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

40°F

4°C

Humidity 68%
Wind Speed SW 16 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Dec 4:53 am EST
Extended Forecast for

4 Miles SSW Townsend TN

Winter Weather Advisory December 10, 01:00pm until December 11, 10:00am
Wind Advisory December 10, 07:00am until December 11, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
  • Today

    Today: A 30 percent chance of showers, mainly after 5pm.  Partly sunny, with a high near 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 51 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Rain showers likely before 8pm, then rain and snow showers likely between 8pm and 9pm, then snow showers likely after 9pm.  Cloudy, with a low around 28. West wind 10 to 15 mph, with gusts as high as 35 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 38. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. South wind around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53. West wind around 5 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am.  Partly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
Rain showers likely before 8pm, then rain and snow showers likely between 8pm and 9pm, then snow showers likely after 9pm. Cloudy, with a low around 28. West wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 38. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 29. South wind around 5 mph.
Friday
Mostly sunny, with a high near 52. Southwest wind around 10 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 34. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 53. West wind around 5 mph.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Townsend TN
 35.61°N 83.78°W (Elev. 2234 ft)
12:41 am EST Dec 10, 2025
5am EST Dec 10, 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