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

A storm system will produce scattered severe thunderstorms and heavy rain in portions of lower-mid Mississippi River Valley and Gulf Coast region on Saturday. Very large hail, locally damaging winds, isolated tornadoes and flash flooding are possible in this area. Some of the flooding could be significant in portions of Louisiana, Mississippi and southeast Arkansas.
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Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

18°C

65°F

Humidity 73%
Wind Speed Calm
Barometer 1013.7 mb (29.96 in)
Dewpoint 13°C (56°F)
Visibility 16 km
Last update 30 Apr 8:53 am EDT
Extended Forecast for

Knoxville TN

  • Today

    Today: A chance of showers, then showers and thunderstorms likely after 2pm.  Mostly cloudy, with a high near 27. East wind 5 to 10 km/h becoming southwest 15 to 20 km/h in the afternoon.  Chance of precipitation is 60%.

    Chance
    Showers then
    T-storms
    Likely

    High: 27 °C

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 2am, then showers likely and possibly a thunderstorm after 2am.  Low around 17. Southwest wind 10 to 15 km/h.  Chance of precipitation is 80%.

    T-storms

    Low: 17 °C

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 8am, then showers and thunderstorms likely after 8am.  Mostly cloudy, with a high near 28. Southwest wind 5 to 15 km/h increasing to 15 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.  Chance of precipitation is 60%.

    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 slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 26. Northwest wind 10 to 15 km/h.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 26 °C

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 13. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 13 °C

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 23. Chance of precipitation is 40%.

    Chance
    Showers

    High: 23 °C

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 12. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 12 °C

  • Wednesday

    Wednesday: Partly sunny, with a high near 23.

    Partly Sunny

    High: 23 °C

Detailed Forecast

Today
A chance of showers, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 27. East wind 5 to 10 km/h becoming southwest 15 to 20 km/h in the afternoon. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms, mainly before 2am, then showers likely and possibly a thunderstorm after 2am. Low around 17. Southwest wind 10 to 15 km/h. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 8am, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 28. Southwest wind 5 to 15 km/h increasing to 15 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 60%.
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 slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 26. Northwest wind 10 to 15 km/h. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 11.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 21.
Thursday Night
A 10 percent chance of showers. Partly cloudy, with a low around 8.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 20.
Click Map For Forecast
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 287 m)
3:38 am EDT Apr 30, 2016
9am EDT Apr 30, 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