Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
85°F
29°C
| Humidity | 35% |
| Wind Speed | W 9 G 23 mph |
| Barometer | 29.93 in (1013.2 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 7 Oct 12:53 pm CDT |
Extended Forecast for
5 Miles NE Valmeyer IL
This Afternoon
High: 89 °F
Sunny
Tonight
Low: 57 °F
Clear then
Patchy FogThursday
High: 84 °F
Patchy Fog
then SunnyThursday Night
Low: 58 °F
Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 57 °F
Chance
ShowersSunday
High: 80 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 89. West wind around 8 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly 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 northeast wind.
Thursday Night
Clear, with a low around 58. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers, 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 59.
Columbus Day
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 75.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles NE Valmeyer IL
38.35°N 90.27°W (Elev. 397 ft)
38.35°N 90.27°W (Elev. 397 ft)
1:26 pm CDT Oct 7, 2026
1pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
