Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

43°F

6°C

Humidity 63%
Wind Speed SW 9 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Dec 5:53 pm EST
Extended Forecast for

Maryville TN

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers between 4pm and 5pm.  Partly sunny, with a high near 52. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 52 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and 1am.  Mostly cloudy, with a low around 30. West wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday

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

    High: 42 °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 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 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers between 4pm and 5pm. Partly sunny, with a high near 52. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 30 mph.
Wednesday Night
A slight chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and 1am. Mostly cloudy, with a low around 30. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 42. 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 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 38.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 23.
Monday
Mostly sunny, with a high near 45.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.96°W (Elev. 994 ft)
6:06 pm EST Dec 9, 2025
6pm 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