National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

41°F

5°C

Humidity 70%
Wind Speed SW 7 mph
Barometer 30.01 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 9 Dec 6:55 pm EST
Extended Forecast for

Seymour TN

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 51. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 51 °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 31. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 41. West wind 5 to 10 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 53 °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 55.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 51. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
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 31. 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 41. West wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 30. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 53. 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 55.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 36.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 44.
Sunday Night
Mostly clear, with a low around 22.
Monday
Mostly sunny, with a high near 43.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Tuesday
A slight chance of rain or freezing rain. Partly sunny, with a high near 47. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seymour TN
 35.88°N 83.76°W (Elev. 1086 ft)
Last Update:
6:25 pm EST Dec 9, 2025
Forecast Valid:
7pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation