Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
63°F
17°C
| Humidity | 40% |
| Wind Speed | SE 9 mph |
| Barometer | 30.45 in (1031.0 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 12:53 pm CDT |
Extended Forecast for
Belleville IL
This Afternoon
High: 68 °F
Sunny
Tonight
Low: 42 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 44 °F
Partly Cloudy
Tuesday
High: 75 °F
Mostly Sunny
Tuesday Night
Low: 47 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 48 °F
Mostly Clear
Thursday
High: 80 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 68. South wind around 8 mph.
Tonight
Clear, with a low around 42. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 72. Light southeast wind.
Monday Night
Partly cloudy, with a low around 44. Light and variable wind.
Tuesday
Mostly sunny, with a high near 75. Calm wind.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 80.
Additional Forecasts and Information
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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)
12:21 pm CDT Oct 18, 2026
1pm CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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