Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Partly Cloudy

82°F

28°C

Humidity 74%
Wind Speed SW 14 G 26 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 22 Jun 12:35 pm EDT
Extended Forecast for

2 Miles SSW Powell TN

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm.  High near 83. Southwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a slight chance of showers.  Low around 66. Southwest wind 5 to 10 mph becoming northwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 10am and 11am.  Partly sunny, with a high near 82. Northwest wind around 5 mph becoming north in the afternoon.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. North wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Northeast wind around 5 mph becoming calm.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 83. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 2am, then a slight chance of showers. Low around 66. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers between 10am and 11am. Partly sunny, with a high near 82. Northwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 61. North wind around 5 mph.
Wednesday
Sunny, with a high near 86. Northeast wind around 5 mph becoming calm.
Wednesday Night
Partly cloudy, with a low around 66. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Powell TN
 36.01°N 84.05°W (Elev. 997 ft)
7:06 am EDT Jun 22, 2026
1pm EDT Jun 22, 2026-6pm EDT Jun 28, 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