Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

92°F

33°C

Humidity 58%
Wind Speed Calm
Barometer 30.17 in (1019.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 3 Jul 11:53 am EDT
Extended Forecast for

Karns TN

Heat Advisory July 3, 12:06pm until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 3, 12:06pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A 10 percent chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 8pm and 2am.  Partly cloudy, with a low around 73. South wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind becoming northeast around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 74. Calm wind.
Independence Day
A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph.
Monday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.
Tuesday
A slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Karns TN
 35.97°N 84.11°W (Elev. 1198 ft)
7:06 am EDT Jul 3, 2026
12pm EDT Jul 3, 2026-6pm EDT Jul 9, 2026
 
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Additional Resources

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