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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Mostly Cloudy

63°F

17°C

Humidity 48%
Wind Speed N 15 G 20 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 5 May 1:53 pm CDT
Extended Forecast for

3 Miles SSW Pontoon Beach IL

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 68. North wind 11 to 13 mph.

    Sunny

    High: 68 °F

  • Tonight

    Tonight: Mostly clear, with a low around 47. North wind 5 to 8 mph becoming calm  in the evening.

    Mostly Clear

    Low: 47 °F

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the morning.

    Sunny

    High: 79 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 57. West wind around 6 mph.

    Clear

    Low: 57 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 82. West wind 6 to 13 mph.

    Sunny then
    Chance
    T-storms

    High: 82 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 56.

    Chance
    T-storms

    Low: 56 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 74.

    Chance
    T-storms

    High: 74 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 59.

    Chance
    T-storms

    Low: 59 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 78.

    Chance
    T-storms

    High: 78 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 68. North wind 11 to 13 mph.
Tonight
Mostly clear, with a low around 47. North wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 57. West wind around 6 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. West wind 6 to 13 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
3 Miles SSW Pontoon Beach IL
 38.68°N 90.09°W (Elev. 404 ft)
11:43 am CDT May 5, 2016
2pm CDT May 5, 2016-6pm CDT May 11, 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