Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fog/Mist
52°F
11°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1016.2 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 1.00 mi |
| Last update | 8 Oct 2:53 am CDT |
Extended Forecast for
Mascoutah IL
Overnight
Low: 57 °F
Clear
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 56 °F
Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 84 °F
Partly Sunny
Saturday Night
Low: 59 °F
Showers
LikelySunday
High: 77 °F
Chance
ShowersSunday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 57. Calm wind.
Thursday
Sunny, with a high near 86. Light and variable wind.
Thursday Night
Clear, with a low around 56. Light and variable wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 60. South wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 58.
Columbus Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 62.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mascoutah IL
38.5°N 89.78°W (Elev. 440 ft)
38.5°N 89.78°W (Elev. 440 ft)
2:16 am CDT Oct 8, 2026
3am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
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