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.

Partly Cloudy

28°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.18 in (1022.8 mb)
Dewpoint 26°F (-3°C)
Visibility 8.00 mi
Last update 9 Dec 7:53 am EST
Extended Forecast for

Maryville TN

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 47. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 47 °F

    Decreasing
    Clouds

  • Tonight

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

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 30. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 43. West wind 5 to 10 mph.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Southwest wind around 5 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 47. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 53. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 30. West wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 43. West wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 32. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 52. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 35.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 53.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 43.
Sunday Night
Mostly clear, with a low around 23.
Monday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.96°W (Elev. 994 ft)
6:06 am EST Dec 9, 2025
8am EST Dec 9, 2025-6pm EST Dec 15, 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