Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
57°F
14°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.99 in (1015.2 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 12:53 am CDT |
Extended Forecast for
3 Miles E Valmeyer IL
Overnight
Low: 58 °F
Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 57 °F
Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 58 °F
Chance Rain
Sunday
High: 78 °F
Mostly Sunny
Sunday Night
Low: 59 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 58. Light north wind.
Thursday
Sunny, with a high near 85. Light northeast wind.
Thursday Night
Clear, with a low around 57. Light and variable wind.
Friday
Sunny, with a high near 88. South wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 61. South wind around 6 mph.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A 30 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 59.
Columbus Day
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 72.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Valmeyer IL
38.31°N 90.25°W (Elev. 646 ft)
38.31°N 90.25°W (Elev. 646 ft)
12:41 am CDT Oct 8, 2026
1am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
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