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.

Overcast

43°F

6°C

Humidity 60%
Wind Speed SE 7 mph
Barometer 30.32 in (1026.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 24 Mar 2:53 am CDT
Extended Forecast for

3 Miles S Centreville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. East wind 6 to 8 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Southeast wind 6 to 9 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Southeast wind 5 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. South wind 5 to 11 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: A chance of rain and thunderstorms. Partly sunny, with a high near 53. Chance of precipitation is 50%.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. East wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 62. Southeast wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 44. Southeast wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 78. South wind 5 to 11 mph.
Wednesday Night
Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 90.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 45. Chance of precipitation is 80%.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 53. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 77.
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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:
2:56 am CDT Mar 24, 2026
Forecast Valid:
3am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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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