Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

81°F

27°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 30.05 in (1016.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 5 Aug 9:54 am CDT
Extended Forecast for

Ballwin MO

Flood Watch August 5, 10:00pm until August 6, 10:00am
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Isolated showers and thunderstorms after 4pm.  Mostly sunny, with a high near 91. South wind around 6 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 3am.  Cloudy, then gradually becoming partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 72 °F

    Scattered
    T-storms then
    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 1pm.  High near 85. Light and variable wind becoming west around 5 mph.  Chance of precipitation is 80%.

    High: 85 °F

    T-storms then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 71. Light south wind.  Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86. Southwest wind 3 to 5 mph.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. South wind around 6 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely, mainly after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms, mainly before 1pm. High near 85. Light and variable wind becoming west around 5 mph. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 3 to 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Ballwin MO
 38.61°N 90.54°W (Elev. 597 ft)
9:06 am CDT Aug 5, 2026
10am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
 
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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