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

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

63°F

17°C

Humidity 70%
Wind Speed W 7 mph
Barometer 30.21 in (1022.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 28 Apr 2:53 am EDT
Extended Forecast for

Maryville TN

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 62. South wind around 5 mph.

    Mostly Clear

    Low: 62 °F

  • Sunday

    Sunday: Sunny, with a high near 82. South wind 5 to 10 mph.

    Sunny

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 59. South wind 5 to 10 mph.

    Clear

    Low: 59 °F

  • Monday

    Monday: Sunny, with a high near 83. Southwest wind 5 to 10 mph.

    Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 62. South wind 5 to 10 mph. Chance of precipitation is 50%.

    Mostly Cloudy
    then Chance
    Showers

    Low: 62 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Showers
    Likely

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 58. South wind around 5 mph.

    Chance
    T-storms then
    Mostly Clear

    Low: 58 °F

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Partly Cloudy

    Low: 60 °F

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 62. South wind around 5 mph.
Sunday
Sunny, with a high near 82. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 59. South wind 5 to 10 mph.
Monday
Sunny, with a high near 83. Southwest wind 5 to 10 mph.
Monday Night
A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 62. South wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 58. South wind around 5 mph.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Maryville TN
 35.74°N 83.96°W (Elev. 1010 ft)
Last Update:
1:09 am EDT Apr 28, 2024
Forecast Valid:
2am EDT Apr 28, 2024-6pm EDT May 4, 2024
 
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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