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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
18°F
-8°C
| Humidity | 62% |
| Wind Speed | W 10 mph |
| Barometer | 30.19 in (1023.1 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 6°F (-14°C) |
| Last update | 27 Jan 5:53 am CST |
Extended Forecast for
Madison IL
Today
High: 30 °F
Sunny
Tonight
Low: 1 °F
Mostly Clear
Wednesday
High: 30 °F
Mostly Sunny
Wednesday Night
Low: 9 °F
Mostly Cloudy
Thursday
High: 21 °F
Mostly Cloudy
Thursday Night
Low: 2 °F
Mostly Cloudy
Friday
High: 16 °F
Cold
Friday Night
Low: 0 °F
Mostly Clear
Saturday
High: 19 °F
Cold
Detailed Forecast
Today
Sunny, with a high near 30. West wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 30. Calm wind becoming west around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 9. Calm wind.
Thursday
Mostly cloudy, with a high near 21. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Mostly sunny and cold, with a high near 16.
Friday Night
Mostly clear, with a low around 0.
Saturday
Mostly sunny and cold, with a high near 19.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 35.
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)
4:21 am CST Jan 27, 2026
6am CST Jan 27, 2026-6pm CST Feb 2, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
