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 with Haze

38°F

3°C

Humidity 83%
Wind Speed N 18 G 23 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 33°F (1°C)
Visibility 6.00 mi
Wind Chill28°F (-2°C)
Last update 7 Dec 12:53 pm CST
Extended Forecast for

3 Miles S Centreville IL

  • This Afternoon

    This Afternoon: A slight chance of drizzle. Cloudy, with a high near 42. North wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 42 °F

    Slight Chance
    Drizzle

  • Tonight

    Tonight: A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 23. North wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 35. North wind around 6 mph becoming calm in the morning.

    High: 35 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Calm wind becoming south 5 to 9 mph in the evening.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
A slight chance of drizzle. Cloudy, with a high near 42. North wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 23. North wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 35. North wind around 6 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 26. Calm wind becoming south 5 to 9 mph in the evening.
Tuesday
Mostly sunny, with a high near 53. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Thursday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Thursday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 18. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 23.
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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:
11:06 am CST Dec 7, 2025
Forecast Valid:
1pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation