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 12 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 10 Dec 1:53 am EST
Extended Forecast for

3 Miles NNW Louisville TN

Wind Advisory December 10, 10:00am until December 10, 05:00pm
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 36. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers after 5pm.  Partly sunny, with a high near 51. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 51 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 7pm.  Mostly cloudy, with a low around 29. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40. West wind around 5 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am.  Partly cloudy, with a low around 31.

    Low: 31 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Southwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 51. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 29. West wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 40. West wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 54. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Louisville TN
 35.86°N 84.09°W (Elev. 817 ft)
12:41 am EST Dec 10, 2025
2am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database