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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fog/Mist

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Last update 27 Dec 8:35 am EST
Extended Forecast for

3 Miles E Heiskell TN

  • Today

    Today: Partly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Calm wind.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 71. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 1am. Low around 41. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 37. Northwest wind around 5 mph.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 72. Calm wind.
Tonight
Increasing clouds, with a low around 55. Calm wind.
Sunday
Mostly cloudy, with a high near 71. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
Showers, mainly after 1am. Low around 41. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 22. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 37. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 26.
New Year's Day
Mostly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Heiskell TN
 36.12°N 83.98°W (Elev. 892 ft)
Last Update:
6:06 am EST Dec 27, 2025
Forecast Valid:
8am EST Dec 27, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation