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 Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

34°F

1°C

Humidity 51%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 30 Dec 1:15 pm EST
Extended Forecast for

3 Miles E Heiskell TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 37. West wind around 5 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Calm wind becoming southwest around 5 mph after midnight.

    Low: 24 °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: Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 37. West wind around 5 mph.
Tonight
Mostly clear, with a low around 24. Calm wind becoming southwest around 5 mph after midnight.
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
Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph.
Thursday Night
Mostly cloudy, with a low around 32. Calm wind.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Heiskell TN
 36.12°N 83.98°W (Elev. 892 ft)
Last Update:
12:31 pm EST Dec 30, 2025
Forecast Valid:
1pm EST Dec 30, 2025-6pm EST Jan 5, 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