Active Week Of Severe Weather Possible Over Portions Of The Plains

Severe thunderstorms will be possible over portions of the Plains each afternoon and evening this week. The main threats with these storms are expected to be large hail, damaging winds, and a few tornadoes. Locally heavy rainfall could pose a risk for some flooding concerns particularly over portions of the Great Plains and Mississippi Valley.
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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

64°F

18°C

Humidity 90%
Wind Speed SE 6 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 May 3:53 am CDT
Extended Forecast for

2 Miles NW Cahokia IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Light south wind.

    Slight Chance
    T-storms

    Low: 64 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between noon and 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 11 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 69. South wind 5 to 10 mph.

    Chance
    T-storms

    Low: 69 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86. South wind 6 to 9 mph.

    Chance
    T-storms

    High: 86 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. South wind 5 to 9 mph.

    Chance
    T-storms

    Low: 68 °F

  • Friday

    Friday: Showers and thunderstorms likely.  Cloudy, with a high near 81. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 81 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Chance
    T-storms

    Low: 66 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 81.

    Chance
    T-storms

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 65.

    Slight Chance
    T-storms

    Low: 65 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light south wind.
Wednesday
Showers and thunderstorms likely, mainly between noon and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 11 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. South wind 5 to 10 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 6 to 9 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 5 to 9 mph.
Friday
Showers and thunderstorms likely. Cloudy, with a high near 81. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Memorial Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
2 Miles NW Cahokia IL
 38.57°N 90.21°W (Elev. 397 ft)
3:44 am CDT May 25, 2016
4am CDT May 25, 2016-6pm CDT May 31, 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