Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
43°F
6°C
| Humidity | 56% |
| Wind Speed | SE 7 mph |
| Barometer | 30.36 in (1028.3 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 24 Mar 8:53 am CDT |
Extended Forecast for
Belleville IL
Today
High: 61 °F
Mostly Sunny
Tonight
Low: 44 °F
Mostly Cloudy
Wednesday
High: 77 °F
Mostly Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 44 °F
Chance
Showers then
Showers
LikelyFriday
High: 53 °F
Chance Rain
Friday Night
Low: 32 °F
Mostly Clear
Saturday
High: 57 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 61. Southeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 44. Southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 77. South wind 5 to 11 mph.
Wednesday Night
Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 89. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 53. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Belleville IL
38.53°N 90.04°W (Elev. 554 ft)
38.53°N 90.04°W (Elev. 554 ft)
2:56 am CDT Mar 24, 2026
8am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
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