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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
38°F
3°C
| Humidity | 46% |
| Wind Speed | SW 9 G 16 mph |
| Barometer | 30.06 in (1018.1 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 21 Jan 5:53 am CST |
Extended Forecast for
Crystal City MO
Today

High: 49 °F
Becoming
SunnyTonight

Low: 22 °F
Mostly Clear
Thursday

High: 41 °F
Mostly Sunny
Thursday Night

Low: 11 °F
Mostly Cloudy
Friday

High: 19 °F
Cold
Friday Night
Low: 1 °F
Cloudy then
Slight Chance
SnowSaturday
High: 13 °F
Chance Snow
then Snow
LikelySaturday Night
Low: 7 °F
Snow Likely
then Chance
SnowSunday
High: 22 °F
Slight Chance
Snow then
Partly Sunny
Detailed Forecast
Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Southwest wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 22. Southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Thursday
Mostly sunny, with a high near 41. Calm wind.
Thursday Night
Mostly cloudy, with a low around 11. Calm wind becoming north 5 to 8 mph after midnight. Winds could gust as high as 21 mph.
Friday
Mostly cloudy and cold, with a high near 19. North wind 8 to 10 mph, with gusts as high as 22 mph.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 1.
Saturday
Snow likely, mainly after noon. Cloudy and cold, with a high near 13. Chance of precipitation is 60%.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 7. Chance of precipitation is 60%.
Sunday
A 20 percent chance of snow before noon. Partly sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 40.
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)
6:11 am CST Jan 21, 2026
6am CST Jan 21, 2026-6pm CST Jan 27, 2026


