Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
78°F
26°C
| Humidity | 45% |
| Wind Speed | E 14 G 18 mph |
| Barometer | 30.19 in (1021.9 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 2 Aug 5:53 pm CDT |
Extended Forecast for
Arnold MO
Tonight
Low: 59 °F
Partly Cloudy
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 64 °F
Partly Cloudy
Monday
High: 84 °F
Partly Sunny
Monday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 86 °F
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 88 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 59. Northeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 83. Calm wind becoming northeast 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 64. Light northeast wind.
Monday
Partly sunny, with a high near 84. Light northeast wind.
Monday Night
Partly cloudy, with a low around 67. Light east wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 95.
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)
5:51 pm CDT Aug 2, 2025
6pm CDT Aug 2, 2025-6pm CDT Aug 9, 2025
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