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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

9°F

-13°C

Humidity 30%
Wind Speed N 16 G 25 mph
Barometer 30.71 in (1040.6 mb)
Dewpoint -16°F (-27°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 23 Jan 12:53 pm CST
Extended Forecast for

2 Miles SE Cahokia IL

Cold Weather Advisory January 24, 12:00am 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

  • This Afternoon

    This Afternoon: Partly sunny and cold, with a high near 14. North wind 14 to 16 mph.

    High: 14 °F

    Cold

  • Tonight

    Tonight: Cloudy, with a low around 4. Wind chill values as low as -10. Northeast wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 4 °F

    Cloudy

  • Saturday

    Saturday: Snow, mainly after noon. High near 12. Wind chill values as low as -10. Northeast wind 10 to 13 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow, mainly after 9pm. Low around 10. North wind 8 to 10 mph, with gusts as high as 20 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 15. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 15 °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 17.

    High: 17 °F

    Cold

  • Monday Night

    Monday Night: Clear, with a low around 6.

    Low: 6 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny and cold, with a high near 14. North wind 14 to 16 mph.
Tonight
Cloudy, with a low around 4. Wind chill values as low as -10. Northeast wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday
Snow, mainly after noon. High near 12. Wind chill values as low as -10. Northeast wind 10 to 13 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 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow, mainly before noon. High near 15. North wind 10 to 13 mph, with gusts as high as 21 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 17.
Monday Night
Clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 9.
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 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Cahokia IL
 38.53°N 90.15°W (Elev. 499 ft)
Last Update:
11:11 am CST Jan 23, 2026
Forecast Valid:
1pm 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