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.

A Few Clouds

24°F

-4°C

Humidity 60%
Wind Speed NE 3 mph
Barometer 30.28 in (1025.8 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 29 Jan 1:53 am CST
Extended Forecast for

3 Miles E Millstadt IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 13. Northeast wind 3 to 5 mph.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 5pm. Mostly cloudy, with a high near 25. Northeast wind 5 to 7 mph.

    High: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 6. North wind around 6 mph.

    Low: 6 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Increasing clouds and cold, with a high near 18. North wind 6 to 10 mph.

    High: 18 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4. North wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 18.

    High: 18 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 13. Northeast wind 3 to 5 mph.
Thursday
A 20 percent chance of snow after 5pm. Mostly cloudy, with a high near 25. Northeast wind 5 to 7 mph.
Thursday Night
A 50 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 6. North wind around 6 mph.
Friday
Increasing clouds and cold, with a high near 18. North wind 6 to 10 mph.
Friday Night
Mostly cloudy, with a low around 4. North wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny and cold, with a high near 18.
Saturday Night
Mostly clear, with a low around 1.
Sunday
Partly sunny, with a high near 28.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 35.
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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:
1:51 am CST Jan 29, 2026
Forecast Valid:
2am CST Jan 29, 2026-6pm CST Feb 4, 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