Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
53°F
12°C
| Humidity | 48% |
| Wind Speed | S 6 mph |
| Barometer | 30.21 in (1023.3 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 2 Nov 3:53 pm CST |
Extended Forecast for
Belleville IL
Tonight
Low: 38 °F
Clear
Monday
High: 64 °F
Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 69 °F
Mostly Sunny
Tuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 72 °F
Sunny
Wednesday Night
Low: 42 °F
Clear
Thursday
High: 67 °F
Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 38. South wind 3 to 6 mph.
Monday
Sunny, with a high near 64. West wind 5 to 8 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 41. Light and variable wind.
Tuesday
Mostly sunny, with a high near 69. South wind 5 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 52. South wind 8 to 11 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 67.
Thursday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 54.
Friday
A 30 percent chance of showers before noon. Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Belleville IL
38.55°N 90.01°W (Elev. 548 ft)
38.55°N 90.01°W (Elev. 548 ft)
3:16 pm CST Nov 2, 2025
4pm CST Nov 2, 2025-6pm CST Nov 9, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
