Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
52°F
11°C
| Humidity | 40% |
| Wind Speed | NW 12 mph |
| Barometer | 30.16 in (1021.3 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 18 Apr 8:53 pm CDT |
Extended Forecast for
4 Miles NNE Valmeyer IL
Tonight
Low: 39 °F
Clear
Sunday
High: 69 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Clear
Monday
High: 69 °F
Sunny
Monday Night
Low: 50 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 39. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 69. West wind 5 to 14 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 41. Calm wind becoming northeast 5 to 7 mph.
Monday
Sunny, with a high near 69. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 50. Southeast wind around 7 mph becoming south after midnight.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NNE Valmeyer IL
38.35°N 90.27°W (Elev. 397 ft)
38.35°N 90.27°W (Elev. 397 ft)
5:56 pm CDT Apr 18, 2026
9pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
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