Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

61°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 30.18 in (1021.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 31 Aug 11:54 pm CDT
Extended Forecast for

Chesterfield MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 62. Light northeast wind.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 79. Light north wind.

    High: 79 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Calm wind.
Labor Day
Partly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62. Light northeast wind.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 79. Light north wind.
Tuesday Night
Mostly clear, with a low around 59. Calm wind.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
9:46 pm CDT Aug 31, 2025
1am CDT Sep 1, 2025-6pm CDT Sep 7, 2025
 
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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