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

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

50°F

10°C

Humidity 94%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Feb 10:35 pm EST
Extended Forecast for

3 Miles E Heiskell TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. North wind around 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, then gradually becoming sunny, with a high near 63. North wind around 5 mph becoming calm.

    High: 63 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 65 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. North wind around 5 mph.
Washington's Birthday
Partly sunny, then gradually becoming sunny, with a high near 63. North wind around 5 mph becoming calm.
Monday Night
Partly cloudy, with a low around 39. Calm wind.
Tuesday
Mostly cloudy, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday
Cloudy, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 72.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 72.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 63.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 54.
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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:
6:06 pm EST Feb 15, 2026
Forecast Valid:
10pm EST Feb 15, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation