Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
71°F
22°C
| Humidity | 44% |
| Wind Speed | NW 5 mph |
| Barometer | 30.22 in (1023.2 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 10:53 am CDT |
Extended Forecast for
Mascoutah IL
Today
High: 81 °F
Sunny
Tonight
Low: 53 °F
Clear
Monday
High: 77 °F
Sunny
Monday Night
Low: 49 °F
Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 54 °F
Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 54 °F
Clear
Thursday
High: 83 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 81. North wind 5 to 8 mph.
Tonight
Clear, with a low around 53. North wind around 6 mph.
Monday
Sunny, with a high near 77. Northeast wind 3 to 6 mph.
Monday Night
Clear, with a low around 49. Light northeast wind.
Tuesday
Sunny, with a high near 80. Calm wind becoming south around 5 mph.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 86.
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)
10:41 am CDT Oct 4, 2026
11am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
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