Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
46°F
8°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 29.93 in (1013.4 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 7:53 am CDT |
Extended Forecast for
Cahokia IL
Today
High: 86 °F
Sunny
Tonight
Low: 51 °F
Partly Cloudy
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 61 °F
Clear
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 42 °F
Partly Cloudy
Monday
High: 60 °F
Mostly Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 62 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 86. West wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 61. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 89. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Cahokia IL
38.57°N 90.18°W (Elev. 407 ft)
38.57°N 90.18°W (Elev. 407 ft)
4:46 am CDT Mar 20, 2026
8am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
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