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 39%
Wind Speed SW 12 G 21 mph
Barometer 30.09 in (1019.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Jan 3:53 am CST
Extended Forecast for

3 Miles S Centreville IL

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 46. West wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 46 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. West wind 6 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. Light northeast wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 23 mph.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 16. North wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 3.

    Low: 3 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Cloudy and cold, with a high near 13.

    High: 13 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Partly sunny and cold, with a high near 20.

    High: 20 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 46. West wind 9 to 15 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 23. West wind 6 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Thursday
Mostly sunny, with a high near 39. Northwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 9. Light northeast wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 23 mph.
Friday
Mostly cloudy and cold, with a high near 16. North wind 13 to 15 mph, with gusts as high as 24 mph.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 3.
Saturday
A 50 percent chance of snow. Cloudy and cold, with a high near 13.
Saturday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8.
Sunday
A 20 percent chance of snow before noon. Partly sunny and cold, with a high near 20.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 37.
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:
4:26 am CST Jan 21, 2026
Forecast Valid:
4am CST Jan 21, 2026-6pm CST Jan 27, 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