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

26°F

-3°C

Humidity 78%
Wind Speed E 3 mph
Barometer 30.17 in (1022.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 9 Feb 7:53 am CST
Extended Forecast for

2 Miles SE Belleville IL

  • Today

    Today: Sunny, with a high near 55. Calm wind becoming south around 5 mph in the afternoon.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Southwest wind 6 to 9 mph becoming north in the afternoon.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. North wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. North wind 3 to 6 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 55. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 43. South wind around 6 mph.
Tuesday
Sunny, with a high near 61. Southwest wind 6 to 9 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 49. North wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 46.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 33.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Friday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 33.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
A 20 percent chance of rain. Sunny, with a high near 48.
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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:
5:11 am CST Feb 9, 2026
Forecast Valid:
7am CST Feb 9, 2026-6pm CST Feb 15, 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