Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

17°F

-8°C

Humidity 47%
Wind Speed SW 16 G 24 mph
Barometer 30.32 in (1027.4 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 26 Jan 9:53 pm CST
Extended Forecast for

2 Miles SSE Belleville IL

Cold Weather Advisory until January 27, 06:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 27, 06:00am

    NOW until 6:00am Tue

    Cold Weather Advisory

  • Tonight

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 30. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 1. North wind 3 to 7 mph.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Calm wind becoming west around 6 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 20.

    High: 20 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 15.

    High: 15 °F

    Cold

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 8. Southwest wind around 9 mph.
Tuesday
Sunny, with a high near 30. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 1. North wind 3 to 7 mph.
Wednesday
Mostly sunny, with a high near 30. Calm wind becoming west around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 8. Calm wind.
Thursday
Mostly cloudy and cold, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 1.
Friday
Partly sunny and cold, with a high near 15.
Friday Night
Mostly clear, with a low around -1.
Saturday
Mostly sunny and cold, with a high near 19.
Saturday Night
Mostly clear, with a low around 1.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 36.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Belleville IL
 38.5°N 89.98°W (Elev. 495 ft)
9:31 pm CST Jan 26, 2026
10pm CST Jan 26, 2026-6pm CST Feb 2, 2026
 
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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