Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Oak Ridge (KOQT)

Lat: 36.02°NLon: 84.23°WElev: 915ft.

Fair

67°F

19°C

Humidity 91%
Wind Speed Calm
Barometer 29.98 in (1013.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 1:53 am EDT
Extended Forecast for

3 Miles WNW Heiskell TN

  • Overnight

    Overnight: Clear, with a low around 62. Calm wind.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after 5am.  Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am.  High near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    Low: 68 °F

    T-storms then
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 84. West wind around 5 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 2am.  Mostly clear, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 62. Calm wind.
Sunday
Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers, mainly after 5am. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm. Low around 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. West wind around 5 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Heiskell TN
 36.15°N 84.09°W (Elev. 899 ft)
1:06 am EDT Jun 21, 2026
2am EDT Jun 21, 2026-6pm EDT Jun 27, 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