Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
71°F
22°C
| Humidity | 42% |
| Wind Speed | S 8 mph |
| Barometer | 30.13 in (1020.2 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 10:53 am CDT |
Extended Forecast for
Mascoutah IL
Today
High: 79 °F
Sunny
Tonight
Low: 53 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 56 °F
Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 53 °F
Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 57 °F
Clear
Saturday
High: 88 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 79. South wind around 5 mph.
Tonight
Mostly clear, with a low around 53. Light south wind.
Wednesday
Sunny, with a high near 87. Light and variable wind becoming west 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 56. Light north wind.
Thursday
Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 57.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 59.
Columbus Day
Mostly sunny, with a high near 85.
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)
10:46 am CDT Oct 6, 2026
11am CDT Oct 6, 2026-6pm CDT Oct 12, 2026
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