Severe thunderstorms and heavy rain possible today across portions of the central plains and Midwest. Warming trend in the Pacific Northwest.

Numerous showers and thunderstorms are expected this afternoon and evening across the central Plains into portions of the Midwest. Severe thunderstorms are possible, along with heavy rain that may lead to flash flooding in some areas. The Pacific Northwest will see a steady warming trend through the week. Temperatures will rise to 10 to 15 degrees above average by Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

76°F

24°C

Humidity 85%
Wind Speed S 5 mph
Barometer 30.13 in (1019.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 23 Aug 3:54 pm CDT
Extended Forecast for

Ballwin MO

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Cloudy, with a high near 77. South wind around 9 mph.  Chance of precipitation is 30%.

    Scattered
    T-storms

    High: 77 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 73. South wind 7 to 9 mph.  Chance of precipitation is 50%.

    Scattered
    T-storms

    Low: 73 °F

  • Wednesday

    Wednesday: Isolated showers and thunderstorms.  Partly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 8 to 11 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 92 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 73. Southwest wind around 7 mph.

    Chance
    T-storms

    Low: 73 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 90. Southwest wind 5 to 7 mph becoming west in the afternoon.

    Chance
    T-storms

    High: 90 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Chance
    T-storms

    Low: 70 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 82.

    Slight Chance
    T-storms

    High: 82 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Slight Chance
    T-storms

    Low: 70 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Cloudy, with a high near 77. South wind around 9 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 7 to 9 mph. Chance of precipitation is 50%.
Wednesday
Isolated showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 8 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Southwest wind around 7 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Southwest wind 5 to 7 mph becoming west in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Ballwin MO
 38.58°N 90.55°W (Elev. 584 ft)
3:43 pm CDT Aug 23, 2016
4pm CDT Aug 23, 2016-6pm CDT Aug 30, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database