Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
33°F
1°C
| Humidity | 42% |
| Wind Speed | SW 9 mph |
| Barometer | 30.25 in (1024.9 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 30 Dec 1:53 pm CST |
Extended Forecast for
Madison IL
This Afternoon
High: 36 °F
Mostly Cloudy
Tonight
Low: 28 °F
Gradual
ClearingWednesday
High: 44 °F
Partly Sunny
Wednesday Night
Low: 26 °F
Partly Cloudy
New Year's Day
High: 38 °F
Mostly Sunny
Thursday Night
Low: 29 °F
Mostly Cloudy
Friday
High: 45 °F
Mostly Cloudy
Friday Night
Low: 28 °F
Mostly Cloudy
Saturday
High: 43 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 36. West wind 7 to 10 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 28. Southwest wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 44. West wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 26. West wind around 6 mph becoming light and variable.
New Year's Day
Mostly sunny, with a high near 38. North wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 45.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 29.
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
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Madison IL
38.68°N 90.14°W (Elev. 407 ft)
38.68°N 90.14°W (Elev. 407 ft)
10:51 am CST Dec 30, 2025
2pm CST Dec 30, 2025-6pm CST Jan 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
