National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation