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

50°F

10°C

Humidity 48%
Wind Speed SE 5 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 25 Mar 1:53 am CDT
Extended Forecast for

2 Miles SE Crystal City MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Light southeast wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 42. Southwest wind 9 to 14 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.

    Low: 42 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Rain, mainly before 7am. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Light southeast wind.
Wednesday
Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 63. South wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 90. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 42. Southwest wind 9 to 14 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Friday
Rain, mainly before 7am. High near 53. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 82.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 60.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 81.
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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:
1:26 am CDT Mar 25, 2026
Forecast Valid:
2am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation