Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
38°F
3°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.50 in (1033.1 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 7:53 am CDT |
Extended Forecast for
Crystal City MO
Today
High: 70 °F
Patchy Fog
then SunnyTonight
Low: 37 °F
Clear
Monday
High: 73 °F
Patchy Frost
then SunnyMonday Night
Low: 38 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 39 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 42 °F
Clear
Thursday
High: 82 °F
Sunny
Detailed Forecast
Today
Patchy fog before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Clear, with a low around 37. Light and variable wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 73. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 75. Calm wind.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Crystal City MO
38.22°N 90.36°W (Elev. 394 ft)
38.22°N 90.36°W (Elev. 394 ft)
6:26 am CDT Oct 18, 2026
8am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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