NWS Forecast for: Ballwin MO
Issued by: National Weather Service Saint Louis, MO
Last Update: 1:56 am CDT May 14, 2021
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  • Overnight

    Overnight: Clear, with a low around 44. Light south wind.

    Clear



    Low: 44 °F

  • Friday

    Friday: Mostly sunny, with a high near 69. Southeast wind 3 to 8 mph.

    Mostly Sunny



    High: 69 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 52. South wind around 7 mph.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    Low: 52 °F

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 1pm.  Mostly cloudy, with a high near 69. South wind 6 to 9 mph.

    Chance
    Showers


    High: 69 °F

  • Saturday
    Night

    Saturday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 56. Southeast wind 5 to 7 mph.  Chance of precipitation is 60%.

    Showers
    Likely


    Low: 56 °F

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 71. Chance of precipitation is 80%.

    Showers



    High: 71 °F

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Showers
    Likely


    Low: 60 °F

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    Showers
    Likely


    High: 74 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 60.

    Chance
    Showers


    Low: 60 °F

  • Overnight: Clear, with a low around 44. Light south wind.

    Friday: Mostly sunny, with a high near 69. Southeast wind 3 to 8 mph.

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52. South wind around 7 mph.

    Saturday: A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 69. South wind 6 to 9 mph.

    Saturday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.

    Sunday: Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Monday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    Monday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 60.

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 61.

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.



    Ballwin MO
     38.58°N 90.55°W (Elev. 584 ft)

    Visit your local NWS office at: https://www.weather.gov/lsx/