Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
70°F
21°C
| Humidity | 66% |
| Wind Speed | E 6 mph |
| Barometer | 30.14 in (1020.3 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 3 Aug 8:53 am CDT |
Extended Forecast for
Mascoutah IL
Today
High: 81 °F
Increasing
CloudsTonight
Low: 65 °F
Mostly Cloudy
Monday
High: 80 °F
Mostly Cloudy
then Chance
T-stormsMonday Night
Low: 67 °F
Mostly Cloudy
Tuesday
High: 83 °F
Chance
T-stormsTuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 86 °F
Mostly Sunny
Wednesday Night
Low: 69 °F
Mostly Clear
Thursday
High: 88 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 81. Northeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 65. Northeast wind 3 to 6 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. East wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 92.
Additional Forecasts and Information
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Point Forecast:
Mascoutah IL
38.52°N 89.81°W (Elev. 423 ft)
38.52°N 89.81°W (Elev. 423 ft)
5:26 am CDT Aug 3, 2025
9am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
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