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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
22°F
-6°C
| Humidity | 52% |
| Wind Speed | N 14 mph |
| Barometer | 30.12 in (1020.3 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 9°F (-13°C) |
| Last update | 15 Jan 2:53 am CST |
Extended Forecast for
Madison IL
Overnight

Low: 18 °F
Clear
Thursday

High: 36 °F
Sunny
Thursday Night
Low: 30 °F
Snow Likely
then Mostly
CloudyFriday

High: 45 °F
Mostly Cloudy
Friday Night

Low: 22 °F
Scattered
Snow ShowersSaturday

High: 27 °F
Partly Sunny
Saturday Night

Low: 12 °F
Partly Cloudy
Sunday

High: 28 °F
Mostly Sunny
Sunday Night

Low: 16 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 18. Northwest wind around 9 mph.
Thursday
Sunny, with a high near 36. Northwest wind 6 to 9 mph becoming south in the afternoon.
Thursday Night
Snow likely before midnight, then scattered flurries after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Mostly cloudy, with a high near 45. West wind 10 to 14 mph, with gusts as high as 24 mph.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 22. West wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 45.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Madison IL
38.68°N 90.14°W (Elev. 407 ft)
38.68°N 90.14°W (Elev. 407 ft)
3:16 am CST Jan 15, 2026
3am CST Jan 15, 2026-6pm CST Jan 21, 2026


