Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
65°F
18°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1016.4 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 23 Aug 12:53 am CDT |
Extended Forecast for
3 Miles ENE Valmeyer IL
Overnight
Low: 63 °F
Patchy Fog
Saturday
High: 88 °F
Patchy Fog
then Mostly
CloudySaturday Night
Low: 61 °F
Gradual
ClearingSunday
High: 80 °F
Sunny
Sunday Night
Low: 57 °F
Mostly Clear
Monday
High: 77 °F
Mostly Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 52 °F
Clear
Detailed Forecast
Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 63. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 61. North wind around 6 mph.
Sunday
Sunny, with a high near 80. North wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 57. North wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles ENE Valmeyer IL
38.33°N 90.27°W (Elev. 459 ft)
38.33°N 90.27°W (Elev. 459 ft)
12:01 am CDT Aug 23, 2025
1am CDT Aug 23, 2025-6pm CDT Aug 29, 2025
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