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

Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Mostly Cloudy

70°F

21°C

Humidity 46%
Wind Speed W 7 G 23 mph
Barometer 30.11 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 Mar 5:55 pm EDT
Extended Forecast for

3 Miles E Heiskell TN

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Showers likely after 2pm. Increasing clouds, with a high near 78. Southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 78 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 37. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 59. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Northeast wind around 5 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Showers likely after 2pm. Increasing clouds, with a high near 78. Southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 37. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 59. Northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 35. Northeast wind around 5 mph.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 82.
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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:
2:26 pm EDT Mar 25, 2026
Forecast Valid:
6pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation