Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

81°F

27°C

Humidity 77%
Wind Speed Calm
Barometer 30.14 in (1019.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 10 Aug 9:53 pm EDT
Extended Forecast for

3 Miles S Heiskell TN

  • Tonight

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

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 72. Southwest wind around 5 mph.  Chance of precipitation is 40%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am.  Partly sunny and hot, with a high near 90. Heat index values as high as 102. Southwest wind around 5 mph.  Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 72. West wind around 5 mph becoming calm.  Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 91. Southwest wind around 5 mph.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 90. Heat index values as high as 102. Southwest wind around 5 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Southwest wind around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny and hot, with a high near 94.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Heiskell TN
 36.08°N 84.04°W (Elev. 892 ft)
7:06 pm EDT Aug 10, 2026
10pm EDT Aug 10, 2026-6pm EDT Aug 17, 2026
 
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Additional Resources

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