Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
64°F
18°C
| Humidity | 58% |
| Wind Speed | NE 6 mph |
| Barometer | 30.29 in (1025.7 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 5 Oct 9:53 am CDT |
Extended Forecast for
Collinsville IL
Today
High: 77 °F
Sunny
Tonight
Low: 50 °F
Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 57 °F
Clear
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 58 °F
Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 77. Northeast wind 5 to 7 mph.
Tonight
Clear, with a low around 50. East wind 3 to 5 mph.
Tuesday
Sunny, with a high near 80. Light and variable wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Clear, with a low around 57. South wind 3 to 5 mph.
Wednesday
Sunny, with a high near 86. West wind 3 to 8 mph.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Collinsville IL
38.66°N 89.97°W (Elev. 548 ft)
38.66°N 89.97°W (Elev. 548 ft)
8:51 am CDT Oct 5, 2026
10am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
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