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.

A Few Clouds

16°F

-9°C

Humidity 54%
Wind Speed W 12 G 20 mph
Barometer 30.31 in (1026.9 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 17 Jan 7:53 pm CST
Extended Forecast for

3 Miles S Centreville IL

  • Tonight

    Tonight: A chance of flurries before 11pm. Mostly cloudy, then gradually becoming clear, with a low around 13. West wind 6 to 15 mph, with gusts as high as 22 mph.

    Low: 13 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries after 10am, mixing with sprinkles after 5pm. Increasing clouds, with a high near 35. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 35 °F

    Mostly Sunny
    then Chance
    Sprinkles/Flurries

  • Sunday Night

    Sunday Night: A chance of flurries before 9pm. Partly cloudy, with a low around 13. Blustery, with a west wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 29 mph.

    Low: 13 °F

    Partly Cloudy
    then Mostly
    Clear and
    Blustery

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Northwest wind around 6 mph becoming light and variable.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of flurries before 11pm. Mostly cloudy, then gradually becoming clear, with a low around 13. West wind 6 to 15 mph, with gusts as high as 22 mph.
Sunday
A chance of flurries after 10am, mixing with sprinkles after 5pm. Increasing clouds, with a high near 35. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday Night
A chance of flurries before 9pm. Partly cloudy, with a low around 13. Blustery, with a west wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 29 mph.
M.L.King Day
Sunny, with a high near 22. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 11. Northwest wind around 6 mph becoming light and variable.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 45.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
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:
5:01 pm CST Jan 17, 2026
Forecast Valid:
8pm CST Jan 17, 2026-6pm CST Jan 24, 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