Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
59°F
15°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.12 in (1019.7 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 30 Sep 1:53 am CDT |
Extended Forecast for
Arnold MO
Overnight
Low: 60 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 87 °F
Partly Sunny
Wednesday Night
Low: 61 °F
Mostly Cloudy
Thursday
High: 88 °F
Sunny
Thursday Night
Low: 62 °F
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 61 °F
Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 60. Calm wind.
Tuesday
Sunny, with a high near 90. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 61. Calm wind.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 87.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Arnold MO
38.42°N 90.38°W (Elev. 495 ft)
38.42°N 90.38°W (Elev. 495 ft)
12:06 am CDT Sep 30, 2025
2am CDT Sep 30, 2025-6pm CDT Oct 6, 2025
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