Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
71°F
22°C
| Humidity | 31% |
| Wind Speed | S 10 G 24 mph |
| Barometer | 30.07 in (1018.1 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 29 Mar 3:53 pm CDT |
Extended Forecast for
Madison IL
Red Flag Warning until March 29, 07:00pm
NOW until 7:00pm Sun

Red Flag Warning
This Afternoon

High: 71 °F
Partly Sunny
Tonight

Low: 58 °F
Mostly Cloudy
Monday

High: 85 °F
Sunny
Monday Night

Low: 65 °F
Partly Cloudy
Tuesday
High: 87 °F
Slight Chance
T-storms then
Chance RainTuesday Night
Low: 58 °F
Chance Rain
then RainWednesday

High: 70 °F
Rain
Wednesday Night

Low: 54 °F
Rain
Detailed Forecast
This Afternoon
Partly sunny, with a high near 71. South wind around 14 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 58. South wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 85. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 65. South wind 11 to 13 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 10am. Mostly sunny, with a high near 87. Southwest wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 58. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%.
Thursday
Rain. High near 68. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 75.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 57.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Saturday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 63.
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)
2:56 pm CDT Mar 29, 2026
4pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026



