National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in a Couple of Locations; Active Monsoon

Dangerous heat continues in a couple of locations today. In the Pacific Northwest to the central Valley of California and across the Gulf Coast region from the western Florida Panhandle to eastern Texas. Meanwhile, the monsoon threat of heavy rainfall and flooding will be possible in the Four Corners region and west Texas today, with a more significant threat on Friday in Arizona and New Mexico. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

79°F

26°C

Humidity 62%
Wind Speed NE 8 mph
Barometer 30.02 in (1015.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 12:53 pm EDT
Extended Forecast for

Maryville TN

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 83. North wind around 5 mph.

    Partly Sunny

    High: 83 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.

    Partly Cloudy

    Low: 63 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    Mostly Sunny
    then Chance
    T-storms

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 66 °F

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    High: 81 °F

  • Friday
    Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 66 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    Chance
    Showers then
    Chance
    T-storms

    High: 84 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 68 °F

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 87 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 83. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Maryville TN
 35.74°N 83.96°W (Elev. 1010 ft)
Last Update:
12:52 pm EDT Aug 17, 2022
Forecast Valid:
1pm EDT Aug 17, 2022-6pm EDT Aug 23, 2022
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation