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Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fog/Mist

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 75°F (24°C)
Visibility 3.00 mi
Last update 30 Jul 7:35 am EDT
Extended Forecast for

Knoxville TN

Heat Advisory July 30, 08:01am until July 30, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 30, 08:01am until July 30, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Today

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • 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 74. Calm wind. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. North wind around 5 mph. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 84. Northeast wind around 5 mph.

    High: 84 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Calm wind.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 74. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. North wind around 5 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 84. Northeast wind around 5 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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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:
7:07 am EDT Jul 30, 2025
Forecast Valid:
8am EDT Jul 30, 2025-6pm EDT Aug 5, 2025
 
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