Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

85°F

29°C

Humidity 63%
Wind Speed E 3 mph
Barometer 30.13 in (1019.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 6 Aug 6:53 pm EDT
Extended Forecast for

6 Miles SSW Mascot TN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Partly sunny, with a high near 88. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 4am.  Partly cloudy, with a low around 71. South wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 88. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 50%.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 8am.  Mostly sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 88. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Sunday
A 10 percent chance of showers before 8am. Mostly sunny and hot, with a high near 90. Calm wind.
Sunday Night
Partly cloudy, with a low around 72. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Mascot TN
 35.99°N 83.8°W (Elev. 951 ft)
7:06 pm EDT Aug 6, 2026
7pm EDT Aug 6, 2026-6pm EDT Aug 13, 2026
 
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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