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 >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

33°F

1°C

Humidity 40%
Wind Speed W 7 mph
Barometer 30.15 in (1021.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 30 Dec 5:53 pm EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Tonight

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

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southwest wind 5 to 10 mph.

    Low: 30 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 49. Southwest wind 5 to 10 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. South wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 57. Southwest wind 5 to 10 mph.

    High: 57 °F

    Cloudy then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Cloudy, with a low around 42. Southwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Chance
    Showers

  • Saturday

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

    High: 55 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 46. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind 5 to 10 mph.
New Year's Day
Mostly sunny, with a high near 49. Southwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 34. South wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 57. Southwest wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers. Cloudy, with a low around 42. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 55.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
Last Update:
12:31 pm EST Dec 30, 2025
Forecast Valid:
5pm EST Dec 30, 2025-6pm EST Jan 6, 2026
 
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