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.

Fair

16°F

-9°C

Humidity 62%
Wind Speed NW 7 mph
Barometer 30.40 in (1030.1 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 27 Jan 7:53 pm CST
Extended Forecast for

2 Miles SE Cahokia IL

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. West wind 5 to 9 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 10. Southwest wind around 5 mph becoming calm in the evening.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 22. Calm wind becoming northeast around 6 mph in the morning.

    High: 22 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 6. North wind 3 to 6 mph.

    Low: 6 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 16.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 1. Northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 30. West wind 5 to 9 mph.
Wednesday Night
Increasing clouds, with a low around 10. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 22. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 6. North wind 3 to 6 mph.
Friday
Mostly sunny and cold, with a high near 16.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 27.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 33.
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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:
7:46 pm CST Jan 27, 2026
Forecast Valid:
8pm CST Jan 27, 2026-6pm CST Feb 3, 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