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Critical Fire Weather Conditions and Severe Thunderstorms Today

Scattered severe thunderstorms are possible across portions of the northern High Plains this afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin today and the southern High Plains on Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

75°F

24°C

Humidity 45%
Wind Speed SW 13 G 25 mph
Barometer 29.97 in (1013.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 May 1:53 pm EDT
Extended Forecast for

4 Miles W Maryville TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly clear, with a low around 50. West wind around 5 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. North wind 5 to 10 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. North wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly clear, with a low around 50. West wind around 5 mph becoming north after midnight. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 70. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 45. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 65.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Maryville TN
 35.74°N 84.05°W (Elev. 997 ft)
Last Update:
2:26 pm EDT May 13, 2026
Forecast Valid:
2pm EDT May 13, 2026-6pm EDT May 19, 2026
 
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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