National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Partly Cloudy

68°F

20°C

Humidity 81%
Wind Speed SW 3 mph
Barometer 29.92 in (1012.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 3 Sep 8:54 am CDT
Extended Forecast for

3 Miles NNE Ballwin MO

  • Today

    Today: Sunny, with a high near 86. Light west wind increasing to 5 to 9 mph in the morning.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then scattered showers. Mostly cloudy, with a low around 56. Northwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 75. North wind around 6 mph becoming west in the afternoon.

    High: 75 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Calm wind becoming south around 6 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 73. Northwest wind 6 to 8 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Light west wind increasing to 5 to 9 mph in the morning.
Tonight
Showers and thunderstorms likely before 1am, then scattered showers. Mostly cloudy, with a low around 56. Northwest wind around 7 mph. Chance of precipitation is 60%.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 75. North wind around 6 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 60. Calm wind becoming south around 6 mph after midnight.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 73. Northwest wind 6 to 8 mph.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 52.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Ballwin MO
 38.63°N 90.54°W (Elev. 568 ft)
Last Update:
7:51 am CDT Sep 3, 2025
Forecast Valid:
9am CDT Sep 3, 2025-6pm CDT Sep 9, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation