Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

11°F

-12°C

Humidity 36%
Wind Speed N 17 G 26 mph
Barometer 30.72 in (1041.0 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 23 Jan 10:53 am CST
Extended Forecast for

Madison IL

Cold Weather Advisory until January 24, 12:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Today

    High: 13 °F

    Cold

  • Tonight

    Tonight: Cloudy, with a low around 4. Wind chill values as low as -10. Northeast wind 10 to 13 mph.

    Low: 4 °F

    Cloudy

  • Saturday

    Saturday: Snow, mainly after 1pm.  High near 13. Wind chill values as low as -10. Northeast wind 9 to 11 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow, mainly after 9pm.  Low around 10. North wind 7 to 9 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 10 °F

    Snow

  • Sunday

    Sunday: Snow, mainly before noon.  High near 16. North wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 16 °F

    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 18.

    High: 18 °F

    Cold

  • Monday Night

    Monday Night: Clear, with a low around 7.

    Low: 7 °F

    Clear

Detailed Forecast

Today
Mostly cloudy and cold, with a high near 13. North wind 13 to 15 mph, with gusts as high as 24 mph.
Tonight
Cloudy, with a low around 4. Wind chill values as low as -10. Northeast wind 10 to 13 mph.
Saturday
Snow, mainly after 1pm. High near 13. Wind chill values as low as -10. Northeast wind 9 to 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow, mainly after 9pm. Low around 10. North wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow, mainly before noon. High near 16. North wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 0.
Monday
Mostly sunny and cold, with a high near 18.
Monday Night
Clear, with a low around 7.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 4.
Thursday
Mostly sunny and cold, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
Madison IL
 38.68°N 90.14°W (Elev. 407 ft)
11:11 am CST Jan 23, 2026
11am CST Jan 23, 2026-6pm CST Jan 29, 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