Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Mostly Cloudy

60°F

16°C

Humidity 80%
Wind Speed Calm
Barometer 30.25 in (1023.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Mar 10:53 pm EDT
Extended Forecast for

Harriman TN

  • Tonight

    Tonight: Partly cloudy, with a low around 55. South wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. South wind around 5 mph becoming calm.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 62. South wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly cloudy, with a high near 81.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. South wind around 5 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 59. South wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 57. South wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 62. South wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 81.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 68.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Harriman TN
 35.93°N 84.56°W (Elev. 761 ft)
7:06 pm EDT Mar 30, 2026
11pm EDT Mar 30, 2026-6pm EDT Apr 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database