Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
41°F
5°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.38 in (1028.8 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 2:53 am CDT |
Extended Forecast for
East St. Louis IL
Overnight
Low: 41 °F
Patchy Fog
Monday
High: 73 °F
Patchy Fog
then SunnyMonday Night
Low: 46 °F
Partly Cloudy
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 49 °F
Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 50 °F
Clear
Detailed Forecast
Overnight
Patchy fog after 5am. Otherwise, clear, with a low around 41. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 73. Calm wind.
Monday Night
Partly cloudy, with a low around 46. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
East St. Louis IL
38.62°N 90.12°W (Elev. 413 ft)
38.62°N 90.12°W (Elev. 413 ft)
2:41 am CDT Oct 19, 2026
3am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
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