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

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

33°F

1°C

Humidity 82%
Wind Speed Calm
Barometer 30.22 in (1023.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 19 Mar 5:53 am EDT
Extended Forecast for

Maryville TN

  • Today

    Today: Partly sunny, with a high near 64. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. West wind around 5 mph.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly clear, with a low around 54. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 2am. Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 64. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 41. Calm wind.
Friday
Mostly sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 54. Southwest wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. West wind around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly clear, with a low around 54. South wind around 5 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 57.
Monday
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 43.
Wednesday
A 10 percent chance of showers. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.96°W (Elev. 994 ft)
Last Update:
2:26 am EDT Mar 19, 2026
Forecast Valid:
6am EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation