Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

A Few Clouds

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 29.94 in (1011.9 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 27 Jul 6:53 am EDT
Extended Forecast for

4 Miles NW Harriman TN

  • Today

    Today: Mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Heat index values as high as 101. Calm wind.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 4pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 103. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 69. Northwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. North wind around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. North wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Heat index values as high as 101. Calm wind.
Tonight
Partly cloudy, with a low around 72. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly before 4pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 103. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Northwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 86. North wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 63. North wind around 5 mph.
Thursday
Sunny, with a high near 85. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 86.
Friday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Harriman TN
 35.96°N 84.61°W (Elev. 1004 ft)
2:26 am EDT Jul 27, 2026
6am EDT Jul 27, 2026-6pm EDT Aug 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database