Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
82°F
28°C
| Humidity | 53% |
| Wind Speed | S 15 G 24 mph |
| Barometer | 29.94 in (1013.4 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 3 Apr 3:53 pm CDT |
Extended Forecast for
Madison IL
This Afternoon

High: 83 °F
Chance
T-stormsTonight
Low: 57 °F
Chance
T-storms then
T-stormsSaturday
High: 62 °F⇓
Showers then
Slight Chance
ShowersSaturday Night

Low: 40 °F
Mostly Clear
Sunday

High: 60 °F
Sunny
Sunday Night

Low: 41 °F
Clear
Monday

High: 63 °F
Sunny
Monday Night
Low: 38 °F
Mostly Cloudy
then Slight
Chance
ShowersTuesday

High: 56 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind around 14 mph, with gusts as high as 24 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 57. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 1pm. Temperature falling to around 56 by noon. West wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Mostly clear, with a low around 40. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 60. Northwest wind 8 to 10 mph.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 63.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 38.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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)
4:46 pm CDT Apr 3, 2026
4pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026



