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

73°F

23°C

Humidity 35%
Wind Speed S 8 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 4 Nov 2:53 pm CST
Extended Forecast for

Crystal City MO

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southwest wind 7 to 9 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71. Southwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 37. North wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 52. Southeast wind around 7 mph becoming southwest after midnight.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon. Mostly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Southwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 71. Southwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Clear, with a low around 37. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 66. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 52. Southeast wind around 7 mph becoming southwest after midnight.
Friday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 24.
Veterans Day
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal City MO
 38.22°N 90.39°W (Elev. 446 ft)
Last Update:
2:31 pm CST Nov 4, 2025
Forecast Valid:
3pm CST Nov 4, 2025-6pm CST Nov 11, 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