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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
30°F
-1°C
| Humidity | 82% |
| Wind Speed | NE 6 mph |
| Barometer | 30.11 in (1019.9 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 9.00 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 3 Feb 2:53 am CST |
Extended Forecast for
4 Miles SW Waterloo IL
Overnight
Low: 28 °F
Cloudy
Tuesday
High: 35 °F
Slight Chance
Wintry Mix
then Mostly
CloudyTuesday Night
Low: 19 °F
Mostly Cloudy
Wednesday
High: 30 °F
Mostly Sunny
Wednesday Night
Low: 15 °F
Mostly Clear
Thursday
High: 40 °F
Mostly Sunny
Thursday Night
Low: 32 °F
Mostly Clear
Friday
High: 51 °F
Sunny
Friday Night
Low: 26 °F
Mostly Clear
Detailed Forecast
Overnight
Cloudy, with a low around 28. Northeast wind around 6 mph.
Tuesday
A slight chance of freezing rain before 8am, then a slight chance of snow between 8am and 10am. Mostly cloudy, with a high near 35. Northeast wind 6 to 11 mph becoming north in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 19. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 30. North wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 15. Light and variable wind.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 43.
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)
3:21 am CST Feb 3, 2026
3am CST Feb 3, 2026-6pm CST Feb 9, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
