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

49°F

9°C

Humidity 46%
Wind Speed N 13 mph
Barometer 30.34 in (1027.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Apr 3:53 am CDT
Extended Forecast for

2 Miles SE Belleville IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 56. East wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 39. East wind 6 to 8 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South wind 8 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. South wind 7 to 10 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 56. East wind 9 to 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 39. East wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 72. South wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 52. South wind 8 to 10 mph.
Thursday
Sunny, with a high near 77. South wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Belleville IL
 38.5°N 89.98°W (Elev. 495 ft)
Last Update:
5:21 am CDT Apr 7, 2026
Forecast Valid:
5am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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