Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
73°F
23°C
| Humidity | 59% |
| Wind Speed | SW 6 mph |
| Barometer | 29.83 in (1009.9 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 26 Mar 8:53 am CDT |
Extended Forecast for
Madison IL
Today

High: 92 °F
Sunny
Tonight
Low: 42 °F
Slight Chance
T-storms then
Showers
LikelyFriday

High: 55 °F
Chance
ShowersFriday Night

Low: 33 °F
Mostly Clear
Saturday

High: 57 °F
Sunny
Saturday Night

Low: 43 °F
Mostly Cloudy
Sunday

High: 67 °F
Partly Sunny
Sunday Night

Low: 57 °F
Partly Cloudy
Monday

High: 83 °F
Slight Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 92. Southwest wind 10 to 17 mph, with gusts as high as 31 mph.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then showers likely after 4am. Increasing clouds, with a low around 42. Southwest wind 8 to 16 mph becoming north after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 15 to 17 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 33. North wind 5 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 57. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 83.
Monday Night
A slight chance of rain and thunderstorms, then a chance of rain after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 81.
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)
7:46 am CDT Mar 26, 2026
9am CDT Mar 26, 2026-6pm CDT Apr 1, 2026



