Severe thunderstorms and heavy rain for portions of the southern U.S.

A storm system will produce scattered severe thunderstorms and locally heavy rain stretching from the Southern Plains to the Gulf Coast and lower Miss. Valley on Friday. Large hail, locally damaging winds and flash flooding will be the main threats. This activity will continue into Saturday.
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Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

27°C

81°F

Humidity 28%
Wind Speed Calm
Barometer 1013.9 mb (29.97 in)
Dewpoint 7°C (45°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 29 Apr 4:53 pm EDT
Extended Forecast for

Knoxville TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Calm wind.

    Mostly Cloudy

    Low: 16 °C

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm.  Mostly cloudy, with a high near 28. Northeast wind 5 to 10 km/h becoming southwest in the afternoon.  Chance of precipitation is 60%.

    Chance
    Showers then
    T-storms
    Likely

    High: 28 °C

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely.  Cloudy, with a low around 17. Southwest wind 5 to 10 km/h.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 17 °C

  • Sunday

    Sunday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 28. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.  Chance of precipitation is 70%.

    T-storms
    Likely

    High: 28 °C

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 17. Southwest wind 10 to 15 km/h.

    Chance
    T-storms

    Low: 17 °C

  • Monday

    Monday: A 20 percent chance of showers.  Partly sunny, with a high near 26.

    Slight Chance
    Showers

    High: 26 °C

  • Monday
    Night

    Monday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 14.

    Chance
    Showers

    Low: 14 °C

  • Tuesday

    Tuesday: A 50 percent chance of showers.  Mostly cloudy, with a high near 23.

    Chance
    Showers

    High: 23 °C

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 12.

    Chance
    Showers

    Low: 12 °C

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. Calm wind.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 28. Northeast wind 5 to 10 km/h becoming southwest in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Cloudy, with a low around 17. Southwest wind 5 to 10 km/h. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 28. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Southwest wind 10 to 15 km/h.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 26.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 14.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 23.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 12.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 23.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 11.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 8.
Friday
Sunny, with a high near 22.
Click Map For Forecast
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 287 m)
2:56 pm EDT Apr 29, 2016
5pm EDT Apr 29, 2016-6pm EDT May 6, 2016
 
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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