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

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

48°F

9°C

Humidity 39%
Wind Speed NW 3 mph
Barometer 30.30 in (1026.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 11 Feb 1:54 pm CST
Extended Forecast for

Chesterfield MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. North wind around 5 mph becoming calm.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 53. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 53 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Southeast wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming south around 6 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after noon. Cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 52. North wind around 5 mph becoming calm.
Tonight
Increasing clouds, with a low around 32. Calm wind.
Thursday
Mostly cloudy, with a high near 53. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 60. Calm wind becoming south around 6 mph.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 54. Chance of precipitation is 60%.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 37.
Washington's Birthday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly cloudy, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
1:01 pm CST Feb 11, 2026
Forecast Valid:
2pm CST Feb 11, 2026-6pm CST Feb 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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