Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

91°F

33°C

Humidity 57%
Wind Speed E 5 mph
Barometer 30.16 in (1019.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 1 Jul 11:53 am EDT
Extended Forecast for

Oak Ridge TN

Heat Advisory July 1, 12:44pm until July 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 1, 12:44pm until July 3, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 76. Calm wind.

    Low: 76 °F

    Gradual
    Clearing

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 99. Calm wind.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 75. Calm wind.  Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers

  • Independence Day

    Independence Day: Mostly sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 102. Calm wind.
Tonight
Mostly clear, with a low around 76. Calm wind.
Thursday
Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 76. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 99. Calm wind.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
Independence Day
Mostly sunny and hot, with a high near 97. Calm wind.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Monday
Showers and thunderstorms likely. Mostly sunny and hot, with a high near 93. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Partly sunny and hot, with a high near 90. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Oak Ridge TN
 36.02°N 84.24°W (Elev. 899 ft)
7:06 am EDT Jul 1, 2026
12pm EDT Jul 1, 2026-6pm EDT Jul 7, 2026
 
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Additional Resources

Radar & Satellite Image

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