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.

Mostly Cloudy

27°F

-3°C

Humidity 58%
Wind Speed W 17 G 33 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 16 Mar 2:53 pm CDT
Extended Forecast for

Crestwood MO

  • This Afternoon

    This Afternoon: A chance of flurries. Partly sunny, with a high near 30. Northwest wind around 17 mph, with gusts as high as 33 mph.

    High: 30 °F

    Chance
    Flurries

  • Tonight

    Tonight: A chance of flurries before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Chance
    Flurries

  • Tuesday

    Tuesday: Increasing clouds, with a high near 37. Northwest wind 5 to 8 mph becoming south in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 2am, then a chance of rain. Mostly cloudy, with a low around 32. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 65. South wind 7 to 9 mph becoming west in the afternoon.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Partly sunny, with a high near 30. Northwest wind around 17 mph, with gusts as high as 33 mph.
Tonight
A chance of flurries before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 37. Northwest wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 2am, then a chance of rain. Mostly cloudy, with a low around 32. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 65. South wind 7 to 9 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crestwood MO
 38.53°N 90.38°W (Elev. 604 ft)
Last Update:
2:56 pm CDT Mar 16, 2026
Forecast Valid:
3pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation