National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Mostly Cloudy

71°F

22°C

Humidity 84%
Wind Speed S 8 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 15 Apr 4:53 pm CDT
Extended Forecast for

Crystal City MO

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Calm wind. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a chance of showers. Low around 61. South wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 3 to 6 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Calm wind. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms before 4am, then a chance of showers. Low around 61. South wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 58. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 68.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Crystal City MO
 38.22°N 90.39°W (Elev. 446 ft)
Last Update:
4:36 pm CDT Apr 15, 2026
Forecast Valid:
4pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation