Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

38°F

3°C

Humidity 68%
Wind Speed N 8 mph
Barometer 30.19 in (1022.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Feb 12:53 am CST
Extended Forecast for

Madison IL

  • Overnight

    Overnight: Mostly clear, with a low around 30. North wind around 7 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 51. Northwest wind 3 to 6 mph.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 51. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 51 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 30. North wind around 7 mph.
Wednesday
Sunny, with a high near 51. Northwest wind 3 to 6 mph.
Wednesday Night
Increasing clouds, with a low around 32. Calm wind.
Thursday
Mostly cloudy, with a high near 51. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 32. Southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 54.
Saturday Night
A 40 percent chance of rain. Partly cloudy, with a low around 42.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Washington's Birthday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly cloudy, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Madison IL
 38.68°N 90.14°W (Elev. 407 ft)
1:36 am CST Feb 11, 2026
2am CST Feb 11, 2026-6pm CST Feb 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database