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.

Overcast

58°F

14°C

Humidity 75%
Wind Speed S 17 G 30 mph
Barometer 29.62 in (1002.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Feb 10:53 pm CST
Extended Forecast for

3 Miles WSW Millstadt IL

  • Tonight

    Tonight: A slight chance of rain between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 73. West wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South wind 3 to 8 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of rain before noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. South wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. West wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly sunny, with a high near 42.

    High: 42 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of rain between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 73. West wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 51. South wind 3 to 8 mph.
Thursday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. South wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 38. West wind 10 to 15 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A 40 percent chance of snow. Mostly sunny, with a high near 42.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Millstadt IL
 38.44°N 90.13°W (Elev. 650 ft)
Last Update:
9:56 pm CST Feb 17, 2026
Forecast Valid:
11pm CST Feb 17, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation