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

37°F

3°C

Humidity 57%
Wind Speed Calm
Barometer 30.13 in (1021.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 9 Feb 9:54 am CST
Extended Forecast for

Chesterfield MO

  • Today

    Today: Sunny, with a high near 61. Calm wind becoming south around 5 mph in the afternoon.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 49. Southeast wind 5 to 7 mph becoming southwest after midnight.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. West wind 6 to 9 mph becoming north in the morning.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. North wind 3 to 6 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. North wind 3 to 5 mph.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Cloudy, with a high near 47.

    High: 47 °F

    Cloudy then
    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 61. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Clear, with a low around 49. Southeast wind 5 to 7 mph becoming southwest after midnight.
Tuesday
Sunny, with a high near 61. West wind 6 to 9 mph becoming north in the morning.
Tuesday Night
Partly cloudy, with a low around 33. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 51. North wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain after noon. Cloudy, with a high near 47.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 34.
Friday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 46.
Friday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 33.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 49.
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:
8:27 am CST Feb 9, 2026
Forecast Valid:
10am CST Feb 9, 2026-6pm CST Feb 15, 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