Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
38°F
3°C
| Humidity | 57% |
| Wind Speed | S 12 mph |
| Barometer | 30.03 in (1017.2 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 18 Mar 7:53 am CDT |
Extended Forecast for
Madison IL
Today
High: 65 °F
Becoming
SunnyTonight
Low: 44 °F
Mostly Cloudy
Thursday
High: 73 °F
Decreasing
CloudsThursday Night
Low: 49 °F
Mostly Clear
Friday
High: 79 °F
Sunny
Friday Night
Low: 54 °F
Partly Cloudy
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 57 °F
Clear
Sunday
High: 81 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 65. South wind 7 to 9 mph becoming west in the afternoon.
Tonight
Mostly cloudy, with a low around 44. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 49. Light and variable wind.
Friday
Sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 57.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly cloudy, with a high near 54.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 60.
Additional Forecasts and Information
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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)
5:36 am CDT Mar 18, 2026
8am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
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