Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
38°F
3°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.50 in (1033.1 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 7:53 am CDT |
Extended Forecast for
3 Miles E Dupo IL
Today
High: 69 °F
Sunny
Tonight
Low: 41 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 47 °F
Clear
Thursday
High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 69. South wind 3 to 7 mph.
Tonight
Clear, with a low around 41. Light and variable wind.
Monday
Sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 80.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Dupo IL
38.53°N 90.15°W (Elev. 499 ft)
38.53°N 90.15°W (Elev. 499 ft)
6:26 am CDT Oct 18, 2026
8am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
