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.

Fair

81°F

27°C

Humidity 44%
Wind Speed SW 13 G 23 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 31 Mar 12:53 pm CDT
Extended Forecast for

3 Miles E Millstadt IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 84. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 28 mph.

    High: 84 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Southwest wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. East wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

    High: 77 °F

    Breezy.
    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Rain Likely

  • Friday

    Friday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance Rain
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Rain Likely

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Rain Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 84. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 28 mph.
Tonight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Southwest wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. East wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Thursday
A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Friday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Millstadt IL
 38.46°N 90.04°W (Elev. 499 ft)
Last Update:
11:21 am CDT Mar 31, 2026
Forecast Valid:
1pm CDT Mar 31, 2026-6pm CDT Apr 6, 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