National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

60°F

16°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Apr 6:53 am CDT
Extended Forecast for

3 Miles S Centreville IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 85. South wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 85 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 50. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

    Low: 50 °F

    Chance
    T-storms then
    Heavy Rain

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. West wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 85. South wind 6 to 16 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 50. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 40. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 67. West wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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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:
8:36 am CDT Apr 17, 2026
Forecast Valid:
8am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation