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

51°F

11°C

Humidity 41%
Wind Speed NW 12 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Apr 9:53 pm CDT
Extended Forecast for

3 Miles S Centreville IL

  • Tonight

    Tonight: Clear, with a low around 40. Northwest wind around 6 mph becoming light and variable after midnight.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. West wind 5 to 15 mph, with gusts as high as 26 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Southeast wind around 8 mph becoming south after midnight.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 40. Northwest wind around 6 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. West wind 5 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 42. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 67. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 50. Southeast wind around 8 mph becoming south after midnight.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Centreville IL
 38.53°N 90.09°W (Elev. 482 ft)
Last Update:
5:56 pm CDT Apr 18, 2026
Forecast Valid:
10pm CDT Apr 18, 2026-6pm CDT Apr 25, 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