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

71°F

22°C

Humidity 90%
Wind Speed Calm
Barometer 30.16 in (1019.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 8 Aug 1:53 am EDT
Extended Forecast for

Maryville TN

  • Overnight

    Overnight: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm.  Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 73. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 69. Calm wind.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm.
Monday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 73. South wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 50%.
Wednesday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.96°W (Elev. 994 ft)
2:26 am EDT Aug 8, 2026
2am EDT Aug 8, 2026-6pm EDT Aug 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

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