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.

Overcast

36°F

2°C

Humidity 55%
Wind Speed Calm
Barometer 30.32 in (1027.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 7 Feb 11:53 am CST
Extended Forecast for

Belleville IL

  • This Afternoon

    This Afternoon: A chance of sprinkles before 4pm, then a slight chance of rain after 4pm. Cloudy, with a high near 37. East wind around 7 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 4am. Cloudy, with a low around 35. East wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly before 11am. High near 51. Light and variable wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    High: 51 °F

    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Northwest wind 7 to 13 mph, with gusts as high as 26 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39. North wind around 6 mph.

    High: 39 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Snow likely, mainly after midnight. Cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Chance Snow
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow likely, possibly mixed with rain, mainly before noon. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.

    High: 35 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
A chance of sprinkles before 4pm, then a slight chance of rain after 4pm. Cloudy, with a high near 37. East wind around 7 mph. Chance of precipitation is 20%.
Tonight
A 40 percent chance of rain, mainly after 4am. Cloudy, with a low around 35. East wind 6 to 8 mph, with gusts as high as 22 mph.
Saturday
Rain, mainly before 11am. High near 51. Light and variable wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, with a low around 28. Northwest wind 7 to 13 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 39. North wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly cloudy, with a high near 41.
Monday Night
Snow likely, mainly after midnight. Cloudy, with a low around 30. Chance of precipitation is 70%.
Tuesday
Snow likely, possibly mixed with rain, mainly before noon. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 32.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 33.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Belleville IL
 38.52°N 89.98°W (Elev. 509 ft)
Last Update:
11:08 am CST Feb 7, 2025
Forecast Valid:
12pm CST Feb 7, 2025-6pm CST Feb 13, 2025
 
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