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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
30°F
-1°C
| Humidity | 66% |
| Wind Speed | N 10 mph |
| Barometer | 30.30 in (1026.4 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 4 Feb 12:53 am CST |
Extended Forecast for
3 Miles SE Collinsville IL
Overnight
Low: 21 °F
Mostly Cloudy
Wednesday
High: 31 °F
Partly Sunny
Wednesday Night
Low: 15 °F
Partly Cloudy
Thursday
High: 39 °F
Partly Sunny
Thursday Night
Low: 31 °F
Mostly Clear
Friday
High: 49 °F
Mostly Sunny
Friday Night
Low: 25 °F
Partly Cloudy
Saturday
High: 40 °F
Mostly Sunny
Saturday Night
Low: 30 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 21. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 31. North wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 15. North wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 39. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 31. South wind 6 to 9 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 50.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SE Collinsville IL
38.66°N 89.97°W (Elev. 548 ft)
38.66°N 89.97°W (Elev. 548 ft)
12:26 am CST Feb 4, 2026
1am CST Feb 4, 2026-6pm CST Feb 10, 2026
Additional Resources
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