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

38°F

3°C

Humidity 65%
Wind Speed SW 5 mph
Barometer 29.91 in (1013.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 5 Dec 11:53 pm CST
Extended Forecast for

Millstadt ILSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. West wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West wind around 6 mph becoming calm.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain between midnight and 2am. Mostly cloudy, with a low around 36. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a temperature rising to near 39 by 10am, then falling to around 32 during the remainder of the day. South wind 6 to 11 mph becoming north in the afternoon.

    High: 39 °F⇓

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. North wind 6 to 10 mph.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 44. West wind around 6 mph becoming calm.
Saturday Night
A slight chance of rain between midnight and 2am. Mostly cloudy, with a low around 36. South wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a temperature rising to near 39 by 10am, then falling to around 32 during the remainder of the day. South wind 6 to 11 mph becoming north in the afternoon.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. North wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Millstadt ILSimilar City Names
 38.46°N 90.1°W (Elev. 604 ft)
Last Update:
12:36 am CST Dec 6, 2025
Forecast Valid:
1am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation