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 65%
Wind Speed N 13 G 25 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 23 Mar 3:53 am CDT
Extended Forecast for

3 Miles E Millstadt IL

  • Today

    Today: Increasing clouds, with a high near 54. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 54 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of sprinkles after 2am. Mostly cloudy, with a low around 36. East wind around 7 mph.

    Low: 36 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southeast wind around 8 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Southeast wind 3 to 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Light south wind increasing to 5 to 9 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 54. North wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
A chance of sprinkles after 2am. Mostly cloudy, with a low around 36. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 61. Southeast wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 40. Southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 74. Light south wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 51.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Millstadt IL
 38.46°N 90.04°W (Elev. 499 ft)
Last Update:
3:41 am CDT Mar 23, 2026
Forecast Valid:
4am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation