Heavy Rain and Flash Flooding Possible in Portions of the Southeast, Mid-Atlantic and Appalachians. A Few Severe Thunderstorms Possible in the West and Northwest

Rain and thunderstorms are expected over much of the Southeast, Mid-Atlantic, and central Appalachians. Locally heavy rain is possible, with flash flooding possible over some areas. A few severe thunderstorms will be possible over portions of the western and northwestern U.S. today and Friday.
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Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

18°C

64°F

Humidity 30%
Wind Speed S 7 km/h
Barometer 29.99 in
Dewpoint 0°C (32°F)
Visibility 16 km
Last update 5 May 8:15 pm CDT
Extended Forecast for

Knoxville IA

  • Tonight

    Tonight: Clear, with a low around 10. West wind 5 to 8 km/h becoming south southwest in the evening.

    Clear

    Low: 10 °C

  • Friday

    Friday: Sunny, with a high near 29. West southwest wind 10 to 15 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.

    Sunny

    High: 29 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 15. Southwest wind 11 to 14 km/h.

    Mostly Clear

    Low: 15 °C

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 10am.  Increasing clouds, with a high near 22. West wind 10 to 18 km/h becoming north northeast in the afternoon.  New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 22 °C

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 11. East northeast wind 8 to 14 km/h.  New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 11 °C

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 19. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 19 °C

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 13. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 13 °C

  • Monday

    Monday: Showers and thunderstorms likely.  Cloudy, with a high near 22. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 22 °C

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 14.

    Chance
    T-storms

    Low: 14 °C

Detailed Forecast

Tonight
Clear, with a low around 10. West wind 5 to 8 km/h becoming south southwest in the evening.
Friday
Sunny, with a high near 29. West southwest wind 10 to 15 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.
Friday Night
Mostly clear, with a low around 15. Southwest wind 11 to 14 km/h.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 10am. Increasing clouds, with a high near 22. West wind 10 to 18 km/h becoming north northeast in the afternoon. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11. East northeast wind 8 to 14 km/h. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 19. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Cloudy, with a high near 22. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 14.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 22.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 13.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 20.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 19.
Click Map For Forecast
Point Forecast:
Knoxville IA
 41.32°N 93.11°W
6:57 pm CDT May 5, 2016
8pm CDT May 5, 2016-6pm CDT May 12, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database