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

56°F

13°C

Humidity 47%
Wind Speed SE 6 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 Nov 5:53 pm CST
Extended Forecast for

Crystal City MO

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Light south wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Southwest wind around 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. West wind around 6 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Light south wind.
Friday
Mostly sunny, with a high near 76. Light south wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 59. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 79. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 44. West wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 39.
Monday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 60.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 65.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
Rain likely. Cloudy, with a low around 47. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
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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:
4:46 pm CST Nov 13, 2025
Forecast Valid:
6pm CST Nov 13, 2025-6pm CST Nov 20, 2025
 
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