News Headlines
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
23°F
-5°C
| Humidity | 78% |
| Wind Speed | Calm |
| Barometer | 30.38 in (1029.2 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jan 2:53 am CST |
Extended Forecast for
4 Miles WSW Waterloo IL
Overnight
Low: 21 °F
Clear
Monday
High: 55 °F
Sunny
Monday Night
Low: 37 °F
Mostly Clear
Tuesday
High: 63 °F
Increasing
CloudsTuesday Night
Low: 40 °F
Chance
Showers then
Mostly CloudyWednesday
High: 43 °F⇓
Mostly Cloudy
Wednesday Night
Low: 18 °F
Partly Cloudy
Thursday
High: 32 °F
Mostly Sunny
Thursday Night
Low: 25 °F
Mostly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 21. South wind around 6 mph.
Monday
Sunny, with a high near 55. Southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 37. Southwest wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 63. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. West wind 9 to 11 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 33 by 5pm.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Sunny, with a high near 32.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Waterloo IL
38.31°N 90.22°W (Elev. 623 ft)
38.31°N 90.22°W (Elev. 623 ft)
2:41 am CST Jan 12, 2026
3am CST Jan 12, 2026-6pm CST Jan 18, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
