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 Calm
Barometer 30.22 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 30 Dec 3:15 am EST
Extended Forecast for

2 Miles NNE Seymour TN

  • Overnight

    Overnight: Cloudy, with a low around 22. Northwest wind around 10 mph.

    Low: 22 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 35. Northwest wind around 5 mph becoming west in the afternoon.

    High: 35 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: 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 44. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southwest wind around 10 mph.

    Low: 30 °F

    Partly Cloudy

  • New Year's Day

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

    High: 48 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 55.

    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

Detailed Forecast

Overnight
Cloudy, with a low around 22. Northwest wind around 10 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 35. Northwest wind around 5 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 24. Southwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 44. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind around 10 mph.
New Year's Day
Mostly sunny, with a high near 48. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 55.
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 53.
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 40.
Monday
Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Seymour TN
 35.9°N 83.78°W (Elev. 1260 ft)
Last Update:
1:51 am EST Dec 30, 2025
Forecast Valid:
3am 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