Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

72°F

22°C

Humidity 71%
Wind Speed S 12 G 23 mph
Barometer 29.59 in (1001.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 28 Dec 10:53 am CST
Extended Forecast for

3 Miles WSW Millstadt IL

Wind Advisory December 28, 03:00pm until December 29, 06:00am
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: A chance of rain, with thunderstorms also possible after 3pm.  Cloudy, with a temperature falling to around 53 by 5pm. Breezy, with a southwest wind 16 to 24 mph becoming west. Winds could gust as high as 37 mph.  Chance of precipitation is 40%.

    High: 70 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Breezy, with a west wind 23 to 26 mph, with gusts as high as 41 mph.

    Low: 19 °F

    Decreasing
    Clouds and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 37 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 35. Northwest wind 6 to 9 mph.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain, with thunderstorms also possible after 3pm. Cloudy, with a temperature falling to around 53 by 5pm. Breezy, with a southwest wind 16 to 24 mph becoming west. Winds could gust as high as 37 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Breezy, with a west wind 23 to 26 mph, with gusts as high as 41 mph.
Monday
Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 35. Northwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 26.
New Year's Day
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Millstadt IL
 38.44°N 90.13°W (Elev. 650 ft)
10:41 am CST Dec 28, 2025
12pm CST Dec 28, 2025-6pm CST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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