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

76°F

24°C

Humidity 72%
Wind Speed E 6 mph
Barometer 29.91 in (1012.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 May 1:53 pm CDT
Extended Forecast for

Herculaneum MO

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms after 4pm.  Partly sunny, with a high near 81. South wind around 11 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 81 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after 9pm.  Mostly cloudy, with a low around 69. South wind 5 to 10 mph.  Chance of precipitation is 50%.

    Scattered
    T-storms

    Low: 69 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 10am.  Cloudy, with a high near 79. South wind 7 to 13 mph.  Chance of precipitation is 70%.

    T-storms
    Likely

    High: 79 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely.  Cloudy, with a low around 66. Southeast wind 7 to 10 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 66 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 80. South wind 8 to 13 mph.

    Chance
    T-storms

    High: 80 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Chance
    T-storms

    Low: 66 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    Mostly Sunny

    High: 85 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 62.

    Partly Cloudy

    Low: 62 °F

  • Memorial
    Day

    Memorial Day: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 85.

    Slight Chance
    T-storms

    High: 85 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 4pm. Partly sunny, with a high near 81. South wind around 11 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 50%.
Friday
Showers and thunderstorms likely, mainly after 10am. Cloudy, with a high near 79. South wind 7 to 13 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Cloudy, with a low around 66. Southeast wind 7 to 10 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 8 to 13 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 62.
Memorial Day
A 20 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 64.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Herculaneum MO
 38.27°N 90.39°W (Elev. 456 ft)
1:31 pm CDT May 26, 2016
2pm CDT May 26, 2016-6pm CDT Jun 1, 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