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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Mostly Cloudy

83°F

28°C

Humidity 48%
Wind Speed SE 3 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Jun 12:53 pm CDT
Extended Forecast for

2 Miles SSW Dupo IL

Flood Watch June 21, 07:00am until June 22, 07:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Light northwest wind.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 67. Northeast wind around 6 mph becoming light and variable.

    Low: 67 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 3pm. High near 85. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 85 °F

    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 4am, then isolated showers. Low around 67. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 67 °F

    T-storms then
    Scattered
    T-storms

  • Monday

    Monday: Isolated showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 79. North wind around 9 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Light northwest wind.
Tonight
Increasing clouds, with a low around 67. Northeast wind around 6 mph becoming light and variable.
Sunday
Showers and thunderstorms, mainly before 3pm. High near 85. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms before 4am, then isolated showers. Low around 67. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday
Isolated showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 79. North wind around 9 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Dupo IL
 38.49°N 90.21°W (Elev. 499 ft)
Last Update:
11:26 am CDT Jun 20, 2026
Forecast Valid:
1pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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