Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

68°F

20°C

Humidity 90%
Wind Speed W 10 mph
Barometer 30.02 in (1015.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 23 Jun 6:53 am EDT
Extended Forecast for

Maryville TN

  • Today

    Today: A 30 percent chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 78. West wind around 10 mph.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 59. North wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 89 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 8am.  Mostly sunny, with a high near 89. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 78. West wind around 10 mph.
Tonight
Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Sunday Night
A 10 percent chance of showers. Mostly clear, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.96°W (Elev. 1010 ft)
7:06 am EDT Jun 23, 2026
7am EDT Jun 23, 2026-6pm EDT Jun 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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