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

48°F

9°C

Humidity 61%
Wind Speed S 6 mph
Barometer 29.92 in (1013.4 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 6 Dec 1:53 pm CST
Extended Forecast for

3 Miles W Millstadt IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 47. Southeast wind around 6 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind 6 to 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of drizzle before 4pm, then a slight chance of drizzle and snow between 4pm and 5pm, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 40. South wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Drizzle then
    Slight Chance
    Drizzle/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. North wind 7 to 11 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 33. North wind around 6 mph becoming calm in the morning.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 47. Southeast wind around 6 mph.
Tonight
Mostly cloudy, with a low around 34. South wind 6 to 8 mph.
Sunday
A slight chance of drizzle before 4pm, then a slight chance of drizzle and snow between 4pm and 5pm, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 40. South wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 20. North wind 7 to 11 mph.
Monday
Mostly sunny, with a high near 33. North wind around 6 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A slight chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Millstadt IL
 38.46°N 90.15°W (Elev. 630 ft)
Last Update:
2:11 pm CST Dec 6, 2025
Forecast Valid:
2pm CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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