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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

37°F

3°C

Humidity 62%
Wind Speed Calm
Barometer 30.10 in (1019.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Jan 10:53 pm CST
Extended Forecast for

3 Miles S Centreville IL

  • Tonight

    Tonight: Mostly clear, with a low around 38. South wind 6 to 8 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 62. West wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 62 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 7pm and 11pm. Mostly cloudy, with a low around 38. West wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 42 by 11am, then falling to around 34 during the remainder of the day. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 32 mph.

    High: 42 °F⇓

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. North wind 9 to 17 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. South wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 62. West wind 8 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
A 30 percent chance of rain, mainly between 7pm and 11pm. Mostly cloudy, with a low around 38. West wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a temperature rising to near 42 by 11am, then falling to around 34 during the remainder of the day. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 18. North wind 9 to 17 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 30.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Centreville IL
 38.53°N 90.09°W (Elev. 482 ft)
Last Update:
9:41 pm CST Jan 12, 2026
Forecast Valid:
11pm CST Jan 12, 2026-6pm CST Jan 19, 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