Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

61°F

16°C

Humidity 84%
Wind Speed Calm
Barometer 30.12 in (1019.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 1 Apr 2:53 am EDT
Extended Forecast for

Harriman TN

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 8pm.  Partly cloudy, with a low around 59. South wind around 5 mph becoming calm.  Chance of precipitation is 10%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm.  Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Calm wind.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 60. South wind around 5 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Friday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 59. South wind around 5 mph becoming calm. Chance of precipitation is 10%.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 50. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm before 8am, then showers likely. High near 65. Chance of precipitation is 80%.
Sunday Night
A 10 percent chance of showers. Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Harriman TN
 35.93°N 84.56°W (Elev. 761 ft)
2:26 am EDT Apr 1, 2026
3am EDT Apr 1, 2026-6pm EDT Apr 7, 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