Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
49°F
9°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.97 in (1014.6 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 12:53 am CDT |
Extended Forecast for
Caseyville IL
Overnight
Low: 52 °F
Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 55 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 59 °F
Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 60 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Overnight
Clear, with a low around 52. Southwest wind around 6 mph.
Wednesday
Sunny, with a high near 88. West wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 55. North wind around 6 mph becoming light and variable.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 59.
Columbus Day
Mostly sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 61.
Tuesday
A 30 percent chance of showers. Sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Caseyville IL
38.61°N 90.03°W (Elev. 502 ft)
38.61°N 90.03°W (Elev. 502 ft)
10:46 pm CDT Oct 6, 2026
1am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
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