Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

50°F

10°C

Humidity 28%
Wind Speed W 12 G 24 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Jan 1:53 pm CST
Extended Forecast for

2 Miles SSE Belleville IL

Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 47. West wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Northwest wind around 5 mph becoming calm  in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 23 mph.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 16. North wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight.  Cloudy, with a low around 4.

    Low: 4 °F

    Cloudy then
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after noon.  Cloudy and cold, with a high near 15. Chance of precipitation is 70%.

    High: 15 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow.  Low around 9. Chance of precipitation is 80%.

    Low: 9 °F

    Snow

  • Sunday

    Sunday: A 50 percent chance of snow, mainly before noon.  Mostly cloudy and cold, with a high near 19.

    High: 19 °F

    Chance Snow
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 47. West wind 8 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 23. Southwest wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
Thursday
Mostly sunny, with a high near 39. Northwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 11. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 23 mph.
Friday
Mostly cloudy and cold, with a high near 16. North wind 11 to 15 mph, with gusts as high as 24 mph.
Friday Night
A 30 percent chance of snow after midnight. Cloudy, with a low around 4.
Saturday
Snow likely, mainly after noon. Cloudy and cold, with a high near 15. Chance of precipitation is 70%.
Saturday Night
Snow. Low around 9. Chance of precipitation is 80%.
Sunday
A 50 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 19.
Sunday Night
Partly cloudy, with a low around -1.
Monday
Sunny and cold, with a high near 16.
Monday Night
Mostly clear, with a low around 2.
Tuesday
Mostly sunny, with a high near 30.
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)
1:36 pm CST Jan 21, 2026
1pm CST Jan 21, 2026-6pm CST Jan 27, 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