Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

22°F

-6°C

Humidity 52%
Wind Speed W 12 mph
Barometer 30.16 in (1022.5 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 16 Mar 10:54 pm CDT
Extended Forecast for

Ballwin MO

  • Tonight

    Tonight: Mostly clear, with a low around 15. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 37. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 2am, then a slight chance of rain.  Cloudy, with a low around 32. Southeast wind 7 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    Low: 32 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 65. South wind 7 to 9 mph becoming west in the afternoon.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Light south wind.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 15. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
Increasing clouds, with a high near 37. Northwest wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 2am, then a slight chance of rain. Cloudy, with a low around 32. Southeast wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 65. South wind 7 to 9 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 45. Light south wind.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Ballwin MO
 38.61°N 90.54°W (Elev. 597 ft)
8:56 pm CDT Mar 16, 2026
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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