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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

87°F

31°C

Humidity 43%
Wind Speed Vrbl 6 mph
Barometer 29.83 in (1008.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Jun 5:53 pm EDT
Extended Forecast for

Oak Ridge TN

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Increasing clouds, with a low around 73. Southwest wind around 10 mph, with gusts as high as 30 mph.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 73. Southwest wind around 10 mph, with gusts as high as 30 mph.
Thursday
Showers and thunderstorms likely, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
Mostly sunny, with a high near 86. Calm wind.
Saturday Night
Partly cloudy, with a low around 65. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Monday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 84. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Oak Ridge TN
 36°N 84.24°W (Elev. 899 ft)
Last Update:
2:26 pm EDT Jun 17, 2026
Forecast Valid:
6pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation