Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
66°F
19°C
| Humidity | 52% |
| Wind Speed | Calm |
| Barometer | 30.12 in (1019.8 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 10 Oct 9:53 pm CDT |
Extended Forecast for
Collinsville IL
Tonight
Low: 56 °F
Decreasing
CloudsSaturday
High: 76 °F
Mostly Sunny
Saturday Night
Low: 51 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 54 °F
Mostly Clear
Columbus Day
High: 80 °F
Mostly Sunny
Monday Night
Low: 59 °F
Mostly Cloudy
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 58 °F
Partly Cloudy
Detailed Forecast
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 56. Light and variable wind.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming northeast around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 51. East wind 3 to 5 mph.
Sunday
Sunny, with a high near 80. Southeast wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 54. Southeast wind 3 to 6 mph.
Columbus Day
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Collinsville IL
38.68°N 90°W (Elev. 499 ft)
38.68°N 90°W (Elev. 499 ft)
9:21 pm CDT Oct 10, 2025
10pm CDT Oct 10, 2025-6pm CDT Oct 17, 2025
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