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.

Heavy Rain Fog/Mist

60°F

16°C

Humidity 93%
Wind Speed N 16 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 58°F (14°C)
Visibility 4.00 mi
Last update 1 Apr 4:53 am CDT
Extended Forecast for

3 Miles WSW Millstadt IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 6 mph.

    Low: 60 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 70. East wind 6 to 8 mph becoming north in the morning. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 64. Southeast wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 18 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.

    High: 77 °F

    Breezy.
    Chance
    Showers then
    Showers

  • 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 63. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 6 mph.
Wednesday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 70. East wind 6 to 8 mph becoming north in the morning. Chance of precipitation is 90%.
Wednesday Night
Showers and thunderstorms likely before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 64. Southeast wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 18 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 65. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 36.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Millstadt IL
 38.44°N 90.13°W (Elev. 650 ft)
Last Update:
3:01 am CDT Apr 1, 2026
Forecast Valid:
5am CDT Apr 1, 2026-6pm CDT Apr 7, 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