Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
48°F
9°C
| Humidity | 66% |
| Wind Speed | Calm |
| Barometer | 30.07 in (1018.1 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Mar 10:53 pm CDT |
Extended Forecast for
2 Miles SE Cahokia IL
Tonight
Low: 45 °F
Partly Cloudy
Thursday
High: 75 °F
Becoming
SunnyThursday Night
Low: 51 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 53 °F
Partly Cloudy
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 81 °F
Mostly Sunny
Sunday Night
Low: 39 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 45. Calm wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 51. Light and variable wind becoming south around 5 mph.
Friday
Sunny, with a high near 82. Southwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 53. West wind 3 to 6 mph.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 69.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SE Cahokia IL
38.53°N 90.15°W (Elev. 499 ft)
38.53°N 90.15°W (Elev. 499 ft)
10:21 pm CDT Mar 18, 2026
11pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
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