Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

81°F

27°C

Humidity 74%
Wind Speed W 3 mph
Barometer 30.04 in (1015.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 7 Jul 7:53 pm EDT
Extended Forecast for

Harriman TN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    Showers then
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Areas Fog
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 9pm.  Partly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers after 2am.  Partly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am.  High near 89. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 80%.

    High: 89 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Partly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 8am.  High near 87. Chance of precipitation is 90%.

    High: 87 °F

    Showers then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely then
    Showers
    Likely

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 69. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Friday
Showers, with thunderstorms also possible after 11am. High near 89. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Saturday
Showers, with thunderstorms also possible after 8am. High near 87. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Harriman TN
 35.93°N 84.56°W (Elev. 761 ft)
7:06 pm EDT Jul 7, 2026
8pm EDT Jul 7, 2026-6pm EDT Jul 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

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