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.

Overcast

40°F

4°C

Humidity 68%
Wind Speed SW 10 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 9 Dec 8:53 pm EST
Extended Forecast for

5 Miles E Greenback TN

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. West wind around 5 mph.

    High: 42 °F

    Mostly 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 55. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Southwest wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 42. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 29. South wind around 5 mph.
Friday
Mostly sunny, with a high near 55. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 36. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 57.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 37.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 22.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
A slight chance of rain or freezing rain. Mostly sunny, with a high near 48. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Greenback TN
 35.65°N 84.08°W (Elev. 988 ft)
6:25 pm EST Dec 9, 2025
9pm EST Dec 9, 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