Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
50°F
10°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.24 in (1023.9 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 5 Oct 1:53 am CDT |
Extended Forecast for
Caseyville IL
Overnight
Low: 53 °F
Clear
Monday
High: 78 °F
Sunny
Monday Night
Low: 51 °F
Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 57 °F
Clear
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 58 °F
Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 53. Calm wind becoming north around 5 mph.
Monday
Sunny, with a high near 78. Northeast wind 3 to 6 mph.
Monday Night
Clear, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Clear, with a low around 57. South wind 3 to 5 mph.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Caseyville IL
38.64°N 90.03°W (Elev. 446 ft)
38.64°N 90.03°W (Elev. 446 ft)
1:31 am CDT Oct 5, 2026
1am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
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