Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
23°F
-5°C
| Humidity | 78% |
| Wind Speed | Calm |
| Barometer | 30.48 in (1032.8 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 1 Dec 1:53 am CST |
Extended Forecast for
3 Miles SSE Belleville IL
Overnight

Low: 21 °F
Cloudy
Monday
High: 32 °F
Cloudy then
Chance SnowMonday Night
Low: 22 °F
Snow then
Snow LikelyTuesday

High: 32 °F
Mostly Sunny
Tuesday Night

Low: 21 °F
Partly Cloudy
Wednesday

High: 41 °F
Mostly Sunny
Wednesday Night

Low: 17 °F
Mostly Cloudy
Thursday

High: 24 °F
Mostly Sunny
Thursday Night
Low: 15 °F
Mostly Cloudy
then Slight
Chance Snow
Detailed Forecast
Overnight
Cloudy, with a low around 21. East wind 3 to 5 mph.
Monday
A 30 percent chance of snow, mainly after 4pm. Cloudy, with a high near 32. East wind around 5 mph becoming calm in the afternoon.
Monday Night
Snow, mainly before 1am. Low around 22. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Mostly sunny, with a high near 32. Northwest wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 21. Calm wind becoming south around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 15.
Friday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Friday Night
A chance of freezing rain. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly cloudy, with a high near 37.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Belleville IL
38.5°N 89.98°W (Elev. 495 ft)
38.5°N 89.98°W (Elev. 495 ft)
10:31 pm CST Nov 30, 2025
2am CST Dec 1, 2025-6pm CST Dec 7, 2025


