Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
54°F
12°C
| Humidity | 93% |
| Wind Speed | S 3 mph |
| Barometer | 30.16 in (1021.3 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 3 Oct 9:53 pm CDT |
Extended Forecast for
Cahokia / St. Louis, St. Louis Downtown Airport IL
Tonight
Low: 47 °F
Partly Cloudy
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 52 °F
Mostly Clear
Monday
High: 75 °F
Sunny
Monday Night
Low: 48 °F
Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 52 °F
Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 54 °F
Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 47. Calm wind.
Sunday
Sunny, with a high near 80. Calm wind becoming north 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 52. North wind 5 to 7 mph.
Monday
Sunny, with a high near 75. Northeast wind 5 to 7 mph.
Monday Night
Clear, with a low around 48. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 88.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Cahokia / St. Louis, St. Louis Downtown Airport IL
38.57°N 90.15°W (Elev. 407 ft)
38.57°N 90.15°W (Elev. 407 ft)
8:51 pm CDT Oct 3, 2026
10pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
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