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

71°F

22°C

Humidity 61%
Wind Speed S 5 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Oct 11:53 am CDT
Extended Forecast for

Crystal City MO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 85. South wind 8 to 10 mph.

    High: 85 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind 5 to 7 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 76. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 76 °F

    Showers
    Likely then
    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 48. Southwest wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%.

    Low: 48 °F

    Heavy Rain

  • Sunday

    Sunday: Sunny, with a high near 67. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 85. South wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 65. South wind 5 to 7 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 76. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 48. Southwest wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%.
Sunday
Sunny, with a high near 67. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 71.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
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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:
11:41 am CDT Oct 17, 2025
Forecast Valid:
12pm CDT Oct 17, 2025-6pm CDT Oct 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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