Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

69°F

21°C

Humidity 68%
Wind Speed SW 20 G 29 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 28 Dec 3:53 pm EST
Extended Forecast for

8 Miles E Greenback TN

  • Tonight

    Tonight: Showers, mainly after 2am.  Low around 41. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Breezy.
    Mostly Cloudy
    then Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 7am.  Cloudy through mid morning, then gradual clearing, with a temperature falling to around 36 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Chance
    Showers then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Northwest wind 5 to 10 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 36. Northwest wind around 5 mph.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. West wind 5 to 10 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. Southwest wind around 5 mph.

    Low: 28 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 2am. Low around 41. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 36 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 21. Northwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 36. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 23. Calm wind.
Wednesday
Sunny, with a high near 46. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 28. Southwest wind around 5 mph.
New Year's Day
Sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 31.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 52.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 36.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 54.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Greenback TN
 35.65°N 84.03°W (Elev. 1001 ft)
2:06 pm EST Dec 28, 2025
4pm EST Dec 28, 2025-6pm EST Jan 4, 2026
 
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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