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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

67°F

19°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 10:53 pm CDT
Extended Forecast for

2 Miles SE Crystal City MO

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 48. South wind around 11 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%.

    Low: 48 °F

    Scattered
    T-storms then
    T-storms

  • Saturday

    Saturday: Showers likely, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 62. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Northwest wind 6 to 10 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. South wind around 5 mph.
Friday
Mostly sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 22 mph.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 48. South wind around 11 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers likely, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 62. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 37. Northwest wind 6 to 10 mph.
Sunday
Sunny, with a high near 67.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Crystal City MO
 38.2°N 90.36°W (Elev. 692 ft)
Last Update:
9:01 pm CDT Apr 16, 2026
Forecast Valid:
11pm CDT Apr 16, 2026-6pm CDT Apr 23, 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