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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

34°F

1°C

Humidity 32%
Wind Speed Calm
Barometer 30.36 in (1028.6 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 22 Jan 10:53 am CST
Extended Forecast for

2 Miles SE Cahokia IL

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

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 39. West wind 3 to 5 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Light north wind increasing to 12 to 17 mph in the evening. Winds could gust as high as 25 mph.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 14. North wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 14 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 5. Wind chill values as low as -10. Northeast wind around 11 mph.

    Low: 5 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow, mainly after noon. High near 13. Northeast wind 8 to 10 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. Low around 10. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 10 °F

    Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 17.

    High: 17 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 39. West wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 10. Light north wind increasing to 12 to 17 mph in the evening. Winds could gust as high as 25 mph.
Friday
Partly sunny and cold, with a high near 14. North wind 13 to 18 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 5. Wind chill values as low as -10. Northeast wind around 11 mph.
Saturday
Snow, mainly after noon. High near 13. Northeast wind 8 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow. Low around 10. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 32.
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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:
10:56 am CST Jan 22, 2026
Forecast Valid:
11am CST Jan 22, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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