Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Mascoutah IL
Overnight
Low: 17 °F
Mostly Clear
Tuesday
High: 35 °F
Increasing
CloudsTuesday Night
Low: 27 °F
Decreasing
CloudsWednesday
High: 43 °F
Partly Sunny
Wednesday Night
Low: 25 °F
Partly Cloudy
New Year's Day
High: 38 °F
Mostly Sunny
Thursday Night
Low: 29 °F
Mostly Cloudy
Friday
High: 45 °F
Mostly Cloudy
Friday Night
Low: 27 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 17. Northwest wind 10 to 15 mph.
Tuesday
Increasing clouds, with a high near 35. West wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 27. West wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 43. West wind 6 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 25. West wind around 5 mph becoming calm.
New Year's Day
Mostly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 45.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Sunny, with a high near 50.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mascoutah IL
38.52°N 89.81°W (Elev. 423 ft)
38.52°N 89.81°W (Elev. 423 ft)
3:16 am CST Dec 30, 2025
3am CST Dec 30, 2025-6pm CST Jan 5, 2026
Additional Resources
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