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

Hazardous Weather Conditions

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

78°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 30.09 in (1016.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 2 Sep 11:53 pm EDT
Extended Forecast for

Heiskell TN

Heat Advisory September 3, 01:00pm until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Heat index values as high as 103. Calm wind.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Calm wind.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind.
Thursday Night
Mostly clear, with a low around 72. Calm wind.
Friday
Sunny and hot, with a high near 96. Heat index values as high as 103. Calm wind.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Calm wind.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind.
Sunday
Mostly sunny and hot, with a high near 91.
Sunday Night
Partly cloudy, with a low around 68.
Labor Day
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny and hot, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Heiskell TN
 36.1°N 84.04°W (Elev. 1099 ft)
Last Update:
10:46 pm EDT Sep 2, 2026
Forecast Valid:
12am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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