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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Partly Cloudy

37°F

3°C

Humidity 27%
Wind Speed Calm
Barometer 30.28 in (1025.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 22 Jan 4:53 pm CST
Extended Forecast for

Belleville IL

Cold Weather Advisory January 24, 12:00am until January 24, 12:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Light north wind increasing to 12 to 17 mph in the evening. Winds could gust as high as 25 mph.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 14. North wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 14 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 5. Wind chill values as low as -10. Northeast wind around 11 mph.

    Low: 5 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow, mainly after 9am. High near 12. Northeast wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 10. North wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 10 °F

    Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Cloudy and cold, with a high near 15. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 15 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Light north wind increasing to 12 to 17 mph in the evening. Winds could gust as high as 25 mph.
Friday
Partly sunny and cold, with a high near 14. North wind 13 to 18 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 5. Wind chill values as low as -10. Northeast wind around 11 mph.
Saturday
Snow, mainly after 9am. High near 12. Northeast wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow. Low around 10. North wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow likely, mainly before noon. Cloudy and cold, with a high near 15. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 0.
Monday
Sunny and cold, with a high near 17.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
Partly sunny and cold, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belleville IL
 38.53°N 90.04°W (Elev. 554 ft)
Last Update:
4:56 pm CST Jan 22, 2026
Forecast Valid:
5pm CST Jan 22, 2026-6pm CST Jan 29, 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