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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

26°F

-3°C

Humidity 57%
Wind Speed N 7 mph
Barometer 30.26 in (1025.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 30 Dec 9:53 am EST
Extended Forecast for

4 Miles ESE Karns TN

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 37. West wind around 5 mph.

    High: 37 °F

    Becoming
    Sunny

  • Tonight

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

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Southwest wind 5 to 10 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 5 mph.

    Low: 29 °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. Calm wind.

    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 southwest 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 44. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 37. West wind around 5 mph.
Tonight
Mostly clear, with a low around 24. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 5 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. Calm wind.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Showers likely. Cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
A 30 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 40.
Monday
Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Karns TN
 35.94°N 84.05°W (Elev. 974 ft)
Last Update:
7:17 am EST Dec 30, 2025
Forecast Valid:
10am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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