Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

79°F

26°C

Humidity 72%
Wind Speed S 6 mph
Barometer 29.89 in (1011.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 10 Jul 9:54 pm CDT
Extended Forecast for

Ballwin MO

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light south wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Isolated showers and thunderstorms after 4pm.  Mostly sunny, with a high near 95. Heat index values as high as 104. Calm wind becoming southwest 5 to 8 mph in the morning.  Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Isolated
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 10pm.  Partly cloudy, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 90. Southwest wind 5 to 8 mph.  Chance of precipitation is 50%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 71. West wind around 6 mph becoming calm  in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Light south wind.
Friday
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 95. Heat index values as high as 104. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Friday Night
A 40 percent chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 73. South wind around 6 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southwest wind 5 to 8 mph. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. West wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 90.
Monday Night
Mostly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Ballwin MO
 38.58°N 90.55°W (Elev. 584 ft)
10:21 pm CDT Jul 10, 2025
10pm CDT Jul 10, 2025-6pm CDT Jul 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database