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Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

80°F

27°C

Humidity 76%
Wind Speed Calm
Barometer 29.98 in (1013.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 13 Aug 5:53 pm EDT
Extended Forecast for

Heiskell TN

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers before 7am, then a chance of showers and thunderstorms after noon. Patchy fog before 10am. Otherwise, partly sunny, with a high near 86. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%.
Thursday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after noon. Patchy fog before 10am. Otherwise, partly sunny, with a high near 86. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 70. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind.
Friday Night
Partly cloudy, with a low around 69. Calm wind.
Saturday
Sunny and hot, with a high near 91. Calm wind.
Saturday Night
Mostly clear, with a low around 69. Calm wind.
Sunday
Sunny and hot, with a high near 92.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny and hot, with a high near 93.
Monday Night
Mostly clear, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Heiskell TN
 36.1°N 84.07°W (Elev. 997 ft)
Last Update:
1:52 pm EDT Aug 13, 2025
Forecast Valid:
6pm EDT Aug 13, 2025-6pm EDT Aug 20, 2025
 
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