Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
79°F
26°C
| Humidity | 58% |
| Wind Speed | N 8 mph |
| Barometer | 30.08 in (1018.4 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 22 Aug 11:53 am CDT |
Extended Forecast for
Mascoutah IL
This Afternoon
High: 85 °F
Mostly Sunny
Tonight
Low: 64 °F
Mostly Clear
then Patchy
FogSaturday
High: 87 °F
Increasing
CloudsSaturday Night
Low: 60 °F
Partly Cloudy
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 77 °F
Mostly Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 76 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 85. Northeast wind 3 to 5 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 64. Light and variable wind.
Saturday
Increasing clouds, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 60. North wind around 6 mph.
Sunday
Sunny, with a high near 80. Northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mascoutah IL
38.5°N 89.81°W (Elev. 427 ft)
38.5°N 89.81°W (Elev. 427 ft)
10:41 am CDT Aug 22, 2025
12pm CDT Aug 22, 2025-6pm CDT Aug 28, 2025
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