Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Heavy Rain Fog

71°F

22°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 30.01 in (1014.7 mb)
Dewpoint 71°F (22°C)
Visibility 0.25 mi
Last update 28 Jun 3:53 am EDT
Extended Forecast for

Harriman TN

Flood Watch June 28, 04:40am until June 28, 11:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 28, 04:40am until June 28, 11:00am

    NOW until 11:00am Sun

    Flood Watch

  • Overnight

    Low: 70 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  High near 89. Heat index values as high as 100. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 89 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 11pm, then a chance of showers.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly sunny and hot, with a high near 93. Heat index values as high as 107. Calm wind.  Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Calm wind.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 70. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 89. Heat index values as high as 100. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 107. Calm wind. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 95. Calm wind.
Tuesday Night
Mostly clear, with a low around 74. Calm wind.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny and hot, with a high near 96.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Independence Day
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Harriman TN
 35.93°N 84.56°W (Elev. 761 ft)
2:26 am EDT Jun 28, 2026
4am EDT Jun 28, 2026-6pm EDT Jul 4, 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