Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
72°F
22°C
| Humidity | 68% |
| Wind Speed | S 13 G 23 mph |
| Barometer | 29.80 in (1008.7 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 2 Apr 9:53 pm CDT |
Extended Forecast for
Madison IL
Tonight

Low: 61 °F
Chance
T-stormsFriday
High: 82 °F
Slight Chance
T-storms then
Chance
T-stormsFriday Night
Low: 56 °F
Chance
T-storms then
ShowersSaturday

High: 65 °F
Showers
Saturday Night

Low: 41 °F
Partly Cloudy
Sunday

High: 60 °F
Sunny
Sunday Night

Low: 41 °F
Clear
Monday

High: 64 °F
Sunny
Monday Night
Low: 37 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 14 mph becoming south in the morning. Winds could gust as high as 23 mph.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 56. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday
Showers, mainly before 1pm. High near 65. West wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 60.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 64.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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)
10:21 pm CDT Apr 2, 2026
10pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026



