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

68°F

20°C

Humidity 51%
Wind Speed E 5 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 21 Mar 9:53 am CDT
Extended Forecast for

2 Miles SE Crystal City MO

  • Today

    Today: Sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southwest wind 3 to 7 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Southwest wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 38. North wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 57. Northeast wind 6 to 8 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

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

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 88. Light and variable wind.
Tonight
Mostly clear, with a low around 64. Southwest wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 89. Southwest wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 38. North wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 57. Northeast wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 43.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 73.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Thursday
A 20 percent chance of showers. Sunny, with a high near 83.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 59.
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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:
9:41 am CDT Mar 21, 2026
Forecast Valid:
10am CDT Mar 21, 2026-6pm CDT Mar 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