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

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

33°C

91°F

Humidity 56%
Wind Speed SW 13 km/h
Barometer 30.08 in
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index38°C (100°F)
Last update 9 Jul 12:50 pm EDT
Extended Forecast for

3 Miles WSW Mascot TN

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 3pm. Partly sunny and hot, with a high near 33. Heat index values as high as 37. West wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 33 °C

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Patchy fog after 2am. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 21 °C

    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 30. Southwest wind 5 to 10 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 30 °C

    Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 33. Calm wind.

    High: 33 °C

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 33. Calm wind.

    High: 33 °C

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 32.

    High: 32 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 3pm. Partly sunny and hot, with a high near 33. Heat index values as high as 37. West wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Patchy fog after 2am. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday
A chance of showers, then showers and thunderstorms likely after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 30. Southwest wind 5 to 10 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 21. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 33. Calm wind.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 33. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 32.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 22.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 33.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Mascot TN
 36.04°N 83.82°W (Elev. 1001 m)
Last Update:
1:04 pm EDT Jul 9, 2025
Forecast Valid:
1pm EDT Jul 9, 2025-6pm EDT Jul 15, 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