Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

76°F

24°C

Humidity 91%
Wind Speed W 6 mph
Barometer 29.62 in (1002.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 18 Jun 12:54 am CDT
Extended Forecast for

Chesterfield MO

  • Overnight

    Overnight: Partly cloudy, with a low around 69. West wind 5 to 8 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers between 3pm and 4pm.  Increasing clouds, with a high near 81. Northwest wind 3 to 8 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 69. West wind 5 to 8 mph.
Thursday
A 20 percent chance of showers between 3pm and 4pm. Increasing clouds, with a high near 81. Northwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 85. Calm wind.
Friday Night
Partly cloudy, with a low around 65. Calm wind.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 86.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 85. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 66. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.67°N 90.57°W (Elev. 446 ft)
10:31 pm CDT Jun 17, 2026
1am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
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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