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.

Fair

49°F

9°C

Humidity 56%
Wind Speed S 10 mph
Barometer 29.70 in (1006.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 9 Dec 4:53 pm CST
Extended Forecast for

Crystal City MO

Wind Advisory December 10, 03:00am until December 10, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A slight chance of rain between 2am and 4am. Mostly cloudy, with a low around 41. South wind 11 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 36 by 5pm. Breezy, with a northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 44 °F⇓

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 42. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. Southeast wind around 6 mph becoming light and variable after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 2am and 4am. Mostly cloudy, with a low around 41. South wind 11 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a temperature falling to around 36 by 5pm. Breezy, with a northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Mostly cloudy, with a low around 25. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Mostly cloudy, with a high near 42. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 34. Southeast wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly cloudy, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 41.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 43.
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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:
4:56 pm CST Dec 9, 2025
Forecast Valid:
5pm CST Dec 9, 2025-6pm CST Dec 16, 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