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

42°F

6°C

Humidity 58%
Wind Speed W 13 G 20 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 26 Nov 12:53 am CST
Extended Forecast for

Crystal City MO

  • Overnight

    Overnight: Clear, with a low around 34. West wind 6 to 13 mph, with gusts as high as 32 mph.

    Low: 34 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. West wind 10 to 16 mph, with gusts as high as 31 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear during the early evening, then becoming cloudy, with a low around 27. West wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Becoming
    Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 45. Northwest wind 5 to 9 mph.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. Light northwest wind.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain and snow likely after midnight. Cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Cloudy then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain and snow, becoming all rain after noon. High near 42. Chance of precipitation is 80%.

    High: 42 °F

    Rain/Snow
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Rain Likely
    then Chance
    Rain

Detailed Forecast

Overnight
Clear, with a low around 34. West wind 6 to 13 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 46. West wind 10 to 16 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly clear during the early evening, then becoming cloudy, with a low around 27. West wind 6 to 8 mph, with gusts as high as 20 mph.
Thanksgiving Day
Sunny, with a high near 45. Northwest wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 22. Light northwest wind.
Friday
Mostly sunny, with a high near 42.
Friday Night
Rain and snow likely after midnight. Cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
Rain and snow, becoming all rain after noon. High near 42. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 27. Chance of precipitation is 70%.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 36.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 19. Chance of precipitation is 20%.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 36.
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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 am CST Nov 26, 2025
Forecast Valid:
1am CST Nov 26, 2025-6pm CST Dec 2, 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