Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair and Breezy

46°F

8°C

Humidity 63%
Wind Speed NW 21 G 31 mph
Barometer 29.81 in (1009.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Feb 8:53 am CST
Extended Forecast for

Cahokia IL

  • Today

    Today: Sunny early, then becoming partly sunny, with a high near 47. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. North wind 5 to 9 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 37. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 26. South wind 5 to 7 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 54. South wind 5 to 8 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

Today
Sunny early, then becoming partly sunny, with a high near 47. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 24. North wind 5 to 9 mph.
Saturday
Sunny, with a high near 37. Light and variable wind becoming southeast around 6 mph in the morning.
Saturday Night
Increasing clouds, with a low around 26. South wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 54. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 65.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 51.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Cahokia IL
 38.57°N 90.18°W (Elev. 407 ft)
7:46 am CST Feb 6, 2026
9am CST Feb 6, 2026-6pm CST Feb 12, 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