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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

38°F

3°C

Humidity 37%
Wind Speed W 15 G 24 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 29 Dec 2:53 pm EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 46. West wind around 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 22. West wind around 5 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

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

    High: 37 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Southwest wind around 5 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    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: Sunny, with a high near 49. West wind 5 to 10 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly 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

Detailed Forecast

This Afternoon
Sunny, with a high near 46. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 22. West wind around 5 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 37. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 23. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 46. 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
Sunny, with a high near 49. West wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 32.
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 70%.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.81°N 84.01°W (Elev. 899 ft)
Last Update:
12:46 pm EST Dec 29, 2025
Forecast Valid:
3pm EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation