Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 30.12 in (1019.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 24 Jun 3:53 am EDT
Extended Forecast for

Maryville TN

  • Today

    Today: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 83. Calm wind becoming northeast around 5 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

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

    Low: 63 °F

    Partly Cloudy

  • Thursday

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

    High: 88 °F

    Mostly 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 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming northeast around 5 mph.
Tonight
Partly cloudy, with a low around 63. Calm wind.
Thursday
Mostly 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 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny and hot, with a high near 92.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.99°W (Elev. 1001 ft)
2:26 am EDT Jun 24, 2026
4am EDT Jun 24, 2026-6pm EDT Jun 30, 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