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.

Partly Cloudy

32°F

0°C

Humidity 69%
Wind Speed Calm
Barometer 30.02 in (1017.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 20 Feb 9:53 pm CST
Extended Forecast for

2 Miles SE Crystal City MO

  • Tonight

    Tonight: A chance of flurries between 4am and 5am, then a slight chance of snow after 5am. Partly cloudy, with a low around 27. Light north wind. Chance of precipitation is 20%.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of flurries before 9am, then a slight chance of snow between 9am and 11am. Partly sunny, with a high near 42. North wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 35. Northwest wind around 14 mph, with gusts as high as 28 mph.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of flurries between 4am and 5am, then a slight chance of snow after 5am. Partly cloudy, with a low around 27. Light north wind. Chance of precipitation is 20%.
Saturday
A chance of flurries before 9am, then a slight chance of snow between 9am and 11am. Partly sunny, with a high near 42. North wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 21. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 35. Northwest wind around 14 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 15. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Crystal City MO
 38.2°N 90.36°W (Elev. 692 ft)
Last Update:
10:36 pm CST Feb 20, 2026
Forecast Valid:
10pm CST Feb 20, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation