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

Marginal Risks of Severe Storms on the Central Plains; Flash flooding on the Northern Plains; Frost & Freeze Warnings in portions of the West & Northeast

A storm system developing across the Plains may cause locally severe weather in western Kansas and southwestern Nebraska today, with isolated flash flooding possible in portions of eastern Montana and western North Dakota. Frost and Freeze Warnings are in effect for portions of the central Rockies and central Appalachians tonight into Friday morning. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

73°F

23°C

Humidity 41%
Wind Speed NE 12 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Oct 5:53 pm EDT
Extended Forecast for

Maryville TN

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northeast wind 5 to 10 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Calm wind becoming south around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82. Southwest wind 5 to 15 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 43. Southwest wind 5 to 10 mph.

    Low: 43 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Northeast wind 5 to 10 mph.
Friday
Increasing clouds, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 54. Calm wind becoming south around 5 mph.
Saturday
Sunny, with a high near 82. Southwest wind 5 to 15 mph.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 43. Southwest wind 5 to 10 mph.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 48.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 72.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.96°W (Elev. 1010 ft)
Last Update:
1:31 pm EDT Oct 16, 2025
Forecast Valid:
6pm EDT Oct 16, 2025-6pm EDT Oct 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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