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

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 4am. Patchy fog between 2am and 3am. Otherwise, cloudy, with a low around 50. Northeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 70%.

    Low: 50 °F

    Chance Rain
    then Rain
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after noon. High near 64. Calm wind becoming northeast 5 to 7 mph. Chance of precipitation is 90%.

    High: 64 °F

    Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 55. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 90%.

    Low: 55 °F

    T-storms then
    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 69. Southwest wind 5 to 9 mph. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 58. South wind 5 to 9 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 90%.

    Low: 59 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers, mainly before noon. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 4am. Patchy fog between 2am and 3am. Otherwise, cloudy, with a low around 50. Northeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Wednesday
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after noon. High near 64. Calm wind becoming northeast 5 to 7 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 55. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 90%.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 69. Southwest wind 5 to 9 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 58. South wind 5 to 9 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 90%.
Saturday
A 50 percent chance of showers, mainly before noon. Partly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 48.
Monday
A 20 percent chance of showers. Sunny, with a high near 75.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 58.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
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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:
8:52 pm CST Mar 3, 2026
Forecast Valid:
10pm CST Mar 3, 2026-6pm CDT Mar 10, 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