National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather in the Plains; Heavy Rainfall in the Northern Plains, Tennessee Valley and Southeast

Numerous severe thunderstorms with a potential for 60-80 mph winds, along with tornadoes (some strong), and large to very large hail are expected across the northern and central Plains through tonight. Heavy to excessive rainfall may bring a flooding threat to parts of North Dakota and Minnesota, and from the Ohio Valley to the Southeast through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 9 Jun 11:55 pm EDT
Extended Forecast for

Knoxville TN

  • Overnight

    Overnight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph.

    Low: 70 °F

    Slight Chance
    Showers

  • Wednesday

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

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind around 5 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Calm wind becoming southwest around 5 mph after midnight.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 90. West wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 90 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 10%.
Thursday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind around 5 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 72. Calm wind becoming southwest around 5 mph after midnight.
Friday
Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 90. West wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 942 ft)
Last Update:
7:06 pm EDT Jun 9, 2026
Forecast Valid:
12am EDT Jun 10, 2026-6pm EDT Jun 16, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation