Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

87°F

31°C

Humidity 51%
Wind Speed Calm
Barometer 30.07 in (1016.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 19 Aug 12:53 pm EDT
Extended Forecast for

Powell TN

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 88. Southwest wind around 5 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 4am, then a chance of showers.  Mostly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 8am.  Mostly sunny, with a high near 88. Calm wind.  Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 90. Calm wind.
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. Calm wind.
Thursday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 88. Calm wind. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Powell TN
 36.03°N 84.05°W (Elev. 1099 ft)
12:56 pm EDT Aug 19, 2026
1pm EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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Additional Resources

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