Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

69°F

21°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 30.11 in (1018.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 6:53 am EDT
Extended Forecast for

4 Miles SW Maryville TN

  • Today

    Today: Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind.
Tonight
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny, with a high near 89. Calm wind.
Saturday Night
Mostly clear, with a low around 69. Calm wind.
Sunday
Sunny and hot, with a high near 92. Calm wind.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny and hot, with a high near 93. Calm wind.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Maryville TN
 35.72°N 84.02°W (Elev. 1115 ft)
7:28 am EDT Jun 20, 2025
7am EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
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