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

41°F

5°C

Humidity 82%
Wind Speed S 6 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 10 Feb 12:53 am CST
Extended Forecast for

3 Miles WSW Millstadt IL

  • Overnight

    Overnight: Mostly clear, with a low around 42. Southwest wind around 9 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Southwest wind 7 to 10 mph becoming north in the afternoon.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. North wind 6 to 9 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 49. North wind 3 to 6 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 42. Southwest wind around 9 mph.
Tuesday
Sunny, with a high near 64. Southwest wind 7 to 10 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 30. North wind 6 to 9 mph.
Wednesday
Sunny, with a high near 49. North wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Light and variable wind.
Thursday
A 20 percent chance of rain after noon. Cloudy, with a high near 47.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A 50 percent chance of rain, mainly after noon. Cloudy, with a high near 47.
Saturday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Sunday
A 40 percent chance of rain. Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 34.
Washington's Birthday
Mostly sunny, with a high near 58.
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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:
12:26 am CST Feb 10, 2026
Forecast Valid:
1am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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