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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

27°F

-3°C

Humidity 69%
Wind Speed Vrbl 6 mph
Barometer 30.23 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 30 Dec 4:15 am EST
Extended Forecast for

Seymour TN

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 36. Northwest wind around 5 mph becoming west in the afternoon.

    High: 36 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Southwest wind 5 to 10 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind around 10 mph.

    Low: 29 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 48. West wind 5 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely. Cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 36. Northwest wind around 5 mph becoming west in the afternoon.
Tonight
Mostly clear, with a low around 24. Southwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 45. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 10 mph.
New Year's Day
Mostly sunny, with a high near 48. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Showers likely. Cloudy, with a low around 43. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 56.
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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:
3:51 am EST Dec 30, 2025
Forecast Valid:
4am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
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