Dangerous Heat Continues from the Ohio Valley into the Mid-Atlantic; Heavy Rain and Flash Flooding in New Mexico

Extremely dangerous heat persists through Thursday with widespread daily temperature records. The most significant cumulative heat impacts are anticipated across the Mid-Atlantic through Thursday and eastern Ohio Valley through Friday. Monsoonal moisture continues to bring heavy rain and flash flooding to New Mexico and west Texas through Thursday. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

88°F

31°C

Humidity 79%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 25 Jun 7:10 pm EDT
Extended Forecast for

2 Miles ESE Knoxville TN

Heat Advisory June 25, 07:27pm until June 26, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 25, 07:27pm until June 26, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers.  Mostly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am.  Mostly sunny and hot, with a high near 92. Heat index values as high as 97. Calm wind.  Chance of precipitation is 60%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms likely after 11am.  Mostly sunny and hot, with a high near 91. Calm wind.  Chance of precipitation is 60%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny and hot, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind.
Thursday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 92. Heat index values as high as 97. Calm wind. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Saturday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms. High near 89. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms. Low around 71. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Knoxville TN
 35.96°N 83.91°W (Elev. 942 ft)
7:16 pm EDT Jun 25, 2025
7pm EDT Jun 25, 2025-6pm EDT Jul 2, 2025
 
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Additional Resources

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Hourly Weather Forecast

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