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, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

26°F

-3°C

Humidity 63%
Wind Speed N 8 mph
Barometer 30.19 in (1023.1 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 30 Dec 3:53 am EST
Extended Forecast for

4 Miles SE Tallassee TN

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 26. Wind chill values as low as -2. North northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 26 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. West wind 7 to 10 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34. West wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 37. West wind around 9 mph.

    High: 37 °F

    Sunny

  • Thursday Night

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

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain likely, mainly after 9pm.  Cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 5pm.  Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 26. Wind chill values as low as -2. North northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 19. West wind 7 to 10 mph.
Wednesday
Sunny, with a high near 34. West wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind 10 to 14 mph, with gusts as high as 21 mph.
New Year's Day
Sunny, with a high near 37. West wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly cloudy, with a high near 45.
Friday Night
Rain likely, mainly after 9pm. Cloudy, with a low around 42. Chance of precipitation is 70%.
Saturday
A 40 percent chance of rain before 5pm. Mostly cloudy, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Tallassee TN
 35.5°N 83.88°W (Elev. 3720 ft)
1:33 am EST Dec 30, 2025
4am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database