Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Madison IL
Tonight

Low: 57 °F
Chance
T-stormsFriday
High: 76 °F
Slight Chance
T-storms then
Partly SunnyFriday Night
Low: 60 °F
Slight Chance
Rain then
RainSaturday
High: 70 °F
Chance Rain
then Partly
SunnySaturday Night

Low: 41 °F
Partly Cloudy
Sunday

High: 68 °F
Sunny
Sunday Night

Low: 51 °F
Clear
Monday

High: 80 °F
Sunny
Monday Night

Low: 60 °F
Chance Rain
Detailed Forecast
Tonight
A 40 percent chance of rain and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. Calm wind becoming southeast around 6 mph after midnight.
Friday
A 20 percent chance of rain and thunderstorms before 8am. Partly sunny, with a high near 76. South wind 7 to 16 mph, with gusts as high as 28 mph.
Friday Night
Rain and possibly a thunderstorm, mainly after midnight. Low around 60. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
A 50 percent chance of rain and thunderstorms before noon. Mostly cloudy, with a high near 70. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 68.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 80.
Monday Night
A slight chance of rain, then a chance of rain and thunderstorms after midnight. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 56. Chance of precipitation is 90%.
Wednesday
Rain likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 56.
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)
5:10 pm CST Mar 5, 2026
8pm CST Mar 5, 2026-6pm CDT Mar 12, 2026


