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Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
26°F
-3°C
| Humidity | 55% |
| Wind Speed | Calm |
| Barometer | 30.19 in (1022.8 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Last update | 1 Feb 11:53 pm CST |
Extended Forecast for
4 Miles WSW Mascoutah IL
Overnight
Low: 20 °F
Mostly Cloudy
Monday
High: 37 °F
Partly Sunny
Monday Night
Low: 28 °F
Mostly Cloudy
Tuesday
High: 34 °F
Chance Snow
Tuesday Night
Low: 18 °F
Mostly Cloudy
Wednesday
High: 29 °F
Mostly Sunny
Wednesday Night
Low: 14 °F
Mostly Clear
Thursday
High: 39 °F
Mostly Sunny
Thursday Night
Low: 31 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 20. Southwest wind around 6 mph becoming calm.
Monday
Partly sunny, with a high near 37. Calm wind becoming west around 5 mph.
Monday Night
Mostly cloudy, with a low around 28. Light east wind.
Tuesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 34. North wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 18. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
Mostly clear, with a low around 14.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 41.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Mascoutah IL
38.5°N 89.87°W (Elev. 449 ft)
38.5°N 89.87°W (Elev. 449 ft)
10:06 pm CST Feb 1, 2026
12am CST Feb 2, 2026-6pm CST Feb 8, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
