National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles WSW Millstadt IL

  • Today

    Today: Mostly cloudy, with a high near 48. Northeast wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, snow, and sleet before 1am, then rain, possibly mixed with snow between 1am and 2am, then rain after 2am. The sleet could be heavy at times. Low around 34. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    Low: 34 °F

    Wintry Mix

  • Monday

    Monday: A chance of rain, mainly before 9am, then a slight chance of showers after noon. Cloudy, with a high near 46. East wind 6 to 10 mph. Chance of precipitation is 50%.

    High: 46 °F

    Chance Rain
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Cloudy, with a low around 42. East wind 6 to 9 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 66. South wind 8 to 11 mph. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before noon. Partly sunny, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 48. Northeast wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Rain, snow, and sleet before 1am, then rain, possibly mixed with snow between 1am and 2am, then rain after 2am. The sleet could be heavy at times. Low around 34. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Monday
A chance of rain, mainly before 9am, then a slight chance of showers after noon. Cloudy, with a high near 46. East wind 6 to 10 mph. Chance of precipitation is 50%.
Monday Night
Showers likely. Cloudy, with a low around 42. East wind 6 to 9 mph. Chance of precipitation is 70%.
Tuesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 66. South wind 8 to 11 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 69. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
Showers likely. Cloudy, with a high near 64. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Millstadt IL
 38.44°N 90.13°W (Elev. 650 ft)
Last Update:
4:41 am CST Mar 1, 2026
Forecast Valid:
7am CST Mar 1, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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