Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
88°F
31°C
| Humidity | 34% |
| Wind Speed | Vrbl 7 mph |
| Barometer | 29.88 in (1011.5 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 7 Oct 2:53 pm CDT |
Extended Forecast for
Valmeyer IL
Tonight
Low: 57 °F
Clear
Thursday
High: 84 °F
Patchy Fog
then SunnyThursday Night
Low: 59 °F
Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 57 °F
Chance Rain
Sunday
High: 80 °F
Mostly Sunny
Sunday Night
Low: 60 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light north wind.
Thursday Night
Clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 61. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A 30 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 60.
Columbus Day
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Valmeyer IL
38.29°N 90.3°W (Elev. 515 ft)
38.29°N 90.3°W (Elev. 515 ft)
3:46 pm CDT Oct 7, 2026
3pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
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