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

37°F

3°C

Humidity 46%
Wind Speed SE 7 mph
Barometer 30.38 in (1029.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Feb 12:53 pm CST
Extended Forecast for

Crystal City MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. Southeast wind around 6 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Southeast wind 3 to 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Southeast wind around 6 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Light southeast wind.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 40. Southeast wind around 6 mph.
Tonight
Mostly cloudy, with a low around 26. Southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 52. Southeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 28. Light southeast wind.
Monday
Sunny, with a high near 62. Light and variable wind.
Monday Night
Mostly clear, with a low around 42.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 67.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 50.
Wednesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 48.
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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:
12:26 pm CST Feb 7, 2026
Forecast Valid:
1pm CST Feb 7, 2026-6pm CST Feb 13, 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