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.

A Few Clouds

30°F

-1°C

Humidity 69%
Wind Speed N 7 mph
Barometer 30.13 in (1020.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 21 Feb 3:53 am CST
Extended Forecast for

2 Miles SE Crystal City MO

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a low around 28. North wind around 6 mph.

    Low: 28 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow before 11am, then a chance of flurries between 11am and noon. Mostly cloudy, with a high near 42. North wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Northwest wind 8 to 13 mph, with gusts as high as 23 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 14. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 14 °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 17.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 28. North wind around 6 mph.
Saturday
A slight chance of snow before 11am, then a chance of flurries between 11am and noon. Mostly cloudy, with a high near 42. North wind 6 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 21. Northwest wind 8 to 13 mph, with gusts as high as 23 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 14. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Crystal City MO
 38.2°N 90.36°W (Elev. 692 ft)
Last Update:
4:16 am CST Feb 21, 2026
Forecast Valid:
4am CST Feb 21, 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