Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 23 Jun 1:55 am EDT
Extended Forecast for

Powell TN

Flood Advisory until June 23, 03:00am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until June 23, 03:00am

    NOW until 3:00am Tue

    Flood Advisory

  • Overnight

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: A 10 percent chance of showers before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind 5 to 10 mph.

    High: 81 °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: Mostly sunny, with a high near 84. Northeast wind around 5 mph becoming calm.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 3am, then a chance of showers. Low around 67. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 61. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 84. Northeast wind around 5 mph becoming calm.
Wednesday Night
Mostly clear, with a low around 65. Calm wind.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 50%.
Saturday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
Sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Powell TN
 36.01°N 84.02°W (Elev. 1188 ft)
1:06 am EDT Jun 23, 2026
2am EDT Jun 23, 2026-6pm EDT Jun 29, 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