NWS Forecast for: Ballwin MO
Issued by: National Weather Service Saint Louis, MO
Last Update: 2:12 am CDT May 8, 2021
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  • Overnight

    Overnight: Mostly cloudy, with a low around 9. East wind around 11 km/h.

    Mostly Cloudy



    Low: 9 °C

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm.  Cloudy, with a high near 16. Southeast wind 14 to 21 km/h, with gusts as high as 39 km/h.  Chance of precipitation is 70%.

    Showers
    Likely then
    Chance
    T-storms

    High: 16 °C

  • Saturday
    Night

    Saturday Night: A slight chance of showers, then showers and thunderstorms after midnight.  Low around 12. Southeast wind 18 to 23 km/h, with gusts as high as 35 km/h.  Chance of precipitation is 90%.

    Slight Chance
    Showers then
    T-storms

    Low: 12 °C

  • Sunday

    Sunday: Showers and thunderstorms before 7am, then showers and possibly a thunderstorm, mainly after 7am.  High near 21. South wind 13 to 23 km/h becoming northwest in the afternoon. Winds could gust as high as 39 km/h.  Chance of precipitation is 80%.

    T-storms then
    Showers


    High: 21 °C

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 6. North wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight.

    Mostly Cloudy



    Low: 6 °C

  • Monday

    Monday: Partly sunny, with a high near 16.

    Partly Sunny



    High: 16 °C

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 7.

    Mostly Cloudy



    Low: 7 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 18.

    Mostly Sunny



    High: 18 °C

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 8.

    Mostly Cloudy
    then Chance
    Showers

    Low: 8 °C

  • Overnight: Mostly cloudy, with a low around 9. East wind around 11 km/h.

    Saturday: Showers likely and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 16. Southeast wind 14 to 21 km/h, with gusts as high as 39 km/h. Chance of precipitation is 70%.

    Saturday Night: A slight chance of showers, then showers and thunderstorms after midnight. Low around 12. Southeast wind 18 to 23 km/h, with gusts as high as 35 km/h. Chance of precipitation is 90%.

    Sunday: Showers and thunderstorms before 7am, then showers and possibly a thunderstorm, mainly after 7am. High near 21. South wind 13 to 23 km/h becoming northwest in the afternoon. Winds could gust as high as 39 km/h. Chance of precipitation is 80%.

    Sunday Night: Mostly cloudy, with a low around 6. North wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight.

    Monday: Partly sunny, with a high near 16.

    Monday Night: Mostly cloudy, with a low around 7.

    Tuesday: Mostly sunny, with a high near 18.

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 8.

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 17.

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 9.

    Thursday: Mostly sunny, with a high near 19.

    Thursday Night: Mostly clear, with a low around 9.

    Friday: A 20 percent chance of showers. Sunny, with a high near 23.



    Ballwin MO
     38.58°N 90.55°W (Elev. 178 m)

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