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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Partly Cloudy
28°F
-2°C
| Humidity | 60% |
| Wind Speed | NW 13 G 22 mph |
| Barometer | 30.47 in (1032.3 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 17°F (-8°C) |
| Last update | 11 Jan 8:53 am CST |
Extended Forecast for
Mascoutah IL
Today
High: 38 °F
Sunny
Tonight
Low: 25 °F
Mostly Clear
Monday
High: 52 °F
Sunny
Monday Night
Low: 35 °F
Partly Cloudy
Tuesday
High: 60 °F
Partly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy
then Slight
Chance RainWednesday
High: 44 °F
Partly Sunny
Wednesday Night
Low: 19 °F
Partly Cloudy
Thursday
High: 37 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 38. Northwest wind 6 to 14 mph.
Tonight
Mostly clear, with a low around 25. Calm wind becoming southwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 52. Southwest wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 60. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 33.
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)
8:37 am CST Jan 11, 2026
9am CST Jan 11, 2026-6pm CST Jan 17, 2026
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