Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

19°F

-7°C

Humidity 57%
Wind Speed N 14 mph
Barometer 30.50 in (1033.4 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 31 Jan 2:53 pm CST
Extended Forecast for

3 Miles WSW Millstadt IL

  • Tonight

    Tonight: Mostly clear, with a low around 1. Northwest wind 3 to 7 mph.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of snow between 3pm and 4pm.  Increasing clouds, with a high near 29. Calm wind becoming south 5 to 8 mph in the morning.  Chance of precipitation is 20%.

    High: 29 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 18. South wind around 6 mph becoming west after midnight.

    Low: 18 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind around 5 mph becoming calm  in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Calm wind becoming east around 5 mph after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after noon.  Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 1. Northwest wind 3 to 7 mph.
Sunday
A slight chance of snow between 3pm and 4pm. Increasing clouds, with a high near 29. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 18. South wind around 6 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 38. West wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 26. Calm wind becoming east around 5 mph after midnight.
Tuesday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Millstadt IL
 38.44°N 90.13°W (Elev. 650 ft)
3:16 pm CST Jan 31, 2026
3pm CST Jan 31, 2026-6pm CST Feb 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database