Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

80°F

27°C

Humidity 74%
Wind Speed SW 5 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 13 Oct 11:53 pm CDT
Extended Forecast for

Crystal City MO

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 5am.  Increasing clouds, with a low around 71. South wind around 5 mph becoming light and variable.  Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall.  High near 80. Northwest wind around 5 mph becoming light and variable.  Chance of precipitation is 90%.

    High: 80 °F

    Heavy Rain
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, then gradually becoming sunny, with a high near 87. East wind 5 to 8 mph becoming southwest in the afternoon.  Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am.  Mostly cloudy, with a low around 47. West wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly after 5am. Increasing clouds, with a low around 71. South wind around 5 mph becoming light and variable. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. High near 80. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 90%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 65. Light and variable wind.
Thursday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. East wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 47. West wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 64.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Crystal City MO
 38.22°N 90.39°W (Elev. 446 ft)
11:11 pm CDT Oct 13, 2026
11pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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