Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
4 Miles SW Waterloo IL
Overnight
Low: 17 °F
Mostly Clear
Tuesday
High: 36 °F
Increasing
CloudsTuesday Night
Low: 28 °F
Decreasing
CloudsWednesday
High: 44 °F
Mostly Sunny
Wednesday Night
Low: 26 °F
Mostly Clear
New Year's Day
High: 39 °F
Mostly Sunny
Thursday Night
Low: 30 °F
Mostly Cloudy
Friday
High: 46 °F
Mostly Cloudy
Friday Night
Low: 27 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 17. Northwest wind 5 to 10 mph.
Tuesday
Increasing clouds, with a high near 36. Northwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 28. Southwest wind 7 to 10 mph.
Wednesday
Mostly sunny, with a high near 44. West wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 26. West wind around 6 mph becoming north after midnight.
New Year's Day
Mostly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 46.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 51.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Waterloo IL
38.29°N 90.19°W (Elev. 633 ft)
38.29°N 90.19°W (Elev. 633 ft)
3:16 am CST Dec 30, 2025
3am CST Dec 30, 2025-6pm CST Jan 5, 2026
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