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

29°F

-2°C

Humidity 63%
Wind Speed NE 6 mph
Barometer 30.39 in (1029.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 4 Feb 4:53 pm CST
Extended Forecast for

3 Miles WSW Millstadt IL

  • Tonight

    Tonight: Mostly clear, with a low around 14. North wind around 6 mph becoming calm in the evening.

    Low: 14 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 39. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. South wind 6 to 9 mph becoming west after midnight.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 49. West wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. North wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 14. North wind around 6 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 39. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 29. South wind 6 to 9 mph becoming west after midnight.
Friday
Sunny, with a high near 49. West wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Mostly clear, with a low around 26. North wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 61.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Millstadt IL
 38.44°N 90.13°W (Elev. 650 ft)
Last Update:
2:37 pm CST Feb 4, 2026
Forecast Valid:
5pm CST Feb 4, 2026-6pm CST Feb 11, 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