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.

Partly Cloudy

83°F

28°C

Humidity 51%
Wind Speed S 13 G 24 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 13 Apr 1:53 pm CDT
Extended Forecast for

3 Miles S Centreville IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 84. South wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

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

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 84. South wind 14 to 16 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 69. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 61.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Sunday
Sunny, with a high near 64.
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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:
1:26 pm CDT Apr 13, 2026
Forecast Valid:
1pm CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation