Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

73°F

23°C

Humidity 89%
Wind Speed SW 7 mph
Barometer 30.02 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Jun 3:55 am EDT
Extended Forecast for

3 Miles SSE Powder Springs TN

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 69. Southwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 69. Southwest wind around 5 mph.

    Low: 69 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 83. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 83 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 67 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph.
Juneteenth
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 83. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 87. Calm wind.
Friday Night
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny and hot, with a high near 91.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny and hot, with a high near 93.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny and hot, with a high near 93.
Monday Night
Mostly clear, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Powder Springs TN
 36.21°N 83.67°W (Elev. 1063 ft)
1:16 am EDT Jun 18, 2025
4am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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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