Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
84°F
29°C
| Humidity | 22% |
| Wind Speed | Calm |
| Barometer | 30.03 in (1016.6 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 8 Oct 4:53 pm CDT |
Extended Forecast for
3 Miles SSW Belleville IL
Tonight

Low: 52 °F
Clear
Friday

High: 89 °F
Sunny
Friday Night

Low: 60 °F
Mostly Clear
Saturday

High: 83 °F
Increasing
CloudsSaturday Night

Low: 60 °F
Chance Rain
Sunday

High: 79 °F
Partly Sunny
Sunday Night

Low: 60 °F
Mostly Clear
Columbus Day

High: 91 °F
Sunny
Monday Night

Low: 66 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 52. Light southeast wind.
Friday
Sunny, with a high near 89. South wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 60. South wind 5 to 7 mph.
Saturday
Increasing clouds, with a high near 83. Light south wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 60. East wind 6 to 9 mph.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 60.
Columbus Day
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Belleville IL
38.5°N 90.01°W (Elev. 499 ft)
38.5°N 90.01°W (Elev. 499 ft)
4:51 pm CDT Oct 8, 2026
4pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026


