Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
56°F
13°C
| Humidity | 75% |
| Wind Speed | NW 13 G 29 mph |
| Barometer | 30.13 in (1020.0 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 16 Oct 4:53 am CDT |
Extended Forecast for
Madison ILSimilar City Names
Today
High: 56 °F
Partly Sunny
then Slight
Chance
ShowersTonight
Low: 40 °F
Decreasing
CloudsSaturday
High: 61 °F
Sunny
Saturday Night
Low: 37 °F
Clear
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Clear
Monday
High: 73 °F
Mostly Sunny
Monday Night
Low: 44 °F
Partly Cloudy
Tuesday
High: 77 °F
Sunny
Detailed Forecast
Today
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 56. Northwest wind 16 to 18 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. North wind 9 to 17 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 61. North wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 82.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Madison ILSimilar City Names
38.68°N 90.14°W (Elev. 407 ft)
38.68°N 90.14°W (Elev. 407 ft)
4:21 am CDT Oct 16, 2026
5am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
