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

2 Miles SSW Dupo IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Cloudy, with a high near 53. Northeast wind around 6 mph.

    High: 53 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Cloudy, with a low around 51. Northeast wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 64. Calm wind becoming northeast around 6 mph. Chance of precipitation is 90%.

    High: 64 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 56. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 100%.

    Low: 56 °F

    T-storms then
    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 70. Southwest wind 5 to 8 mph. Chance of precipitation is 70%.

    High: 70 °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 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °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 69.

    High: 69 °F

    Chance
    Showers then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Cloudy, with a high near 53. Northeast wind around 6 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Cloudy, with a low around 51. Northeast wind 5 to 7 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 64. Calm wind becoming northeast around 6 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 56. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 100%.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 70. Southwest wind 5 to 8 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 59. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 79. 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 69.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 49.
Monday
A 20 percent chance of showers. Sunny, with a high near 76.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 59.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Dupo IL
 38.49°N 90.21°W (Elev. 499 ft)
Last Update:
4:56 pm CST Mar 3, 2026
Forecast Valid:
5pm CST Mar 3, 2026-6pm CDT Mar 10, 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