Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
60°F
16°C
| Humidity | 86% |
| Wind Speed | N 5 mph |
| Barometer | 30.23 in (1023.3 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 10:53 pm CDT |
Extended Forecast for
Collinsville IL
Tonight
Low: 50 °F
Mostly Clear
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 44 °F
Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 42 °F
Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 53 °F
Partly Cloudy
Saturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 55 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 50. North wind around 7 mph.
Wednesday
Sunny, with a high near 74. Northeast wind 6 to 11 mph.
Wednesday Night
Clear, with a low around 44. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 72. East wind 6 to 8 mph.
Thursday Night
Clear, with a low around 42. East wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 58.
Columbus Day
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Collinsville IL
38.66°N 90°W (Elev. 499 ft)
38.66°N 90°W (Elev. 499 ft)
9:51 pm CDT Oct 7, 2025
11pm CDT Oct 7, 2025-6pm CDT Oct 14, 2025
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