Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fog/Mist

38°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.38 in (1028.7 mb)
Dewpoint 38°F (3°C)
Visibility 1.25 mi
Last update 19 Oct 4:53 am CDT
Extended Forecast for

2 Miles SSE Cahokia IL

  • Today

    Today: Areas of fog between 7am and 8am.  Otherwise, sunny, with a high near 72. Calm wind.

    High: 72 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Areas of fog between 7am and 8am. Otherwise, sunny, with a high near 72. Calm wind.
Tonight
Partly cloudy, with a low around 45. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Cahokia IL
 38.55°N 90.18°W (Elev. 407 ft)
5:21 am CDT Oct 19, 2026
5am CDT Oct 19, 2026-6pm CDT Oct 25, 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