Threats For Heavy Rain and Severe Thunderstorms Continue in the Plains; Fire Weather Conditions Worsen in the Southwest

On Monday and Tuesday, the focus for heavy rain and severe thunderstorms will continue in the Plains and central Mississippi River Valley. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

80°F

27°C

Humidity 71%
Wind Speed SW 12 mph
Barometer 30.02 in (1015.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jun 8:53 pm EDT
Extended Forecast for

Maryville TN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Low around 70. South wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 84. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.  Low around 70. Southwest wind 5 to 10 mph.  Chance of precipitation is 80%.

    Low: 70 °F

    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then showers and thunderstorms likely after 11am.  Partly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 72. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 70. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 84. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Juneteenth
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 69. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
Saturday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.96°W (Elev. 994 ft)
7:30 pm EDT Jun 15, 2025
9pm EDT Jun 15, 2025-6pm EDT Jun 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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