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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
36°F
2°C
| Humidity | 30% |
| Wind Speed | SW 10 G 22 mph |
| Barometer | 30.14 in (1021.1 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 20 Jan 11:53 pm CST |
Extended Forecast for
Crystal City MO
Overnight

Low: 29 °F
Mostly Cloudy
Wednesday

High: 45 °F
Becoming
SunnyWednesday Night

Low: 23 °F
Mostly Clear
Thursday

High: 40 °F
Mostly Sunny
Thursday Night

Low: 12 °F
Mostly Cloudy
Friday

High: 19 °F
Cold
Friday Night

Low: 2 °F
Chance Snow
Saturday

High: 14 °F
Chance Snow
Saturday Night

Low: 7 °F
Chance Snow
Detailed Forecast
Overnight
Mostly cloudy, with a low around 29. Southwest wind around 7 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 45. West wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 23. West wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 40. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 12. Calm wind becoming north 5 to 7 mph after midnight.
Friday
Mostly cloudy and cold, with a high near 19.
Friday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 2.
Saturday
A 50 percent chance of snow. Cloudy and cold, with a high near 14.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 39.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Crystal City MO
38.22°N 90.39°W (Elev. 446 ft)
38.22°N 90.39°W (Elev. 446 ft)
11:16 pm CST Jan 20, 2026
12am CST Jan 21, 2026-6pm CST Jan 27, 2026


