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

42°F

6°C

Humidity 60%
Wind Speed N 8 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 10 Feb 10:53 pm CST
Extended Forecast for

2 Miles WNW Belleville IL

  • Tonight

    Tonight: Mostly clear, with a low around 30. North wind 6 to 8 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50. North wind around 6 mph becoming calm in the afternoon.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. Southeast wind 3 to 6 mph.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain. Cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 30. North wind 6 to 8 mph.
Wednesday
Sunny, with a high near 50. North wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Increasing clouds, with a low around 32. Calm wind.
Thursday
Mostly cloudy, with a high near 49. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. Southeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 51.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 36.
Washington's Birthday
Sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Belleville IL
 38.55°N 90.04°W (Elev. 538 ft)
Last Update:
10:21 pm CST Feb 10, 2026
Forecast Valid:
11pm CST Feb 10, 2026-6pm CST Feb 17, 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