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.

A Few Clouds

74°F

23°C

Humidity 74%
Wind Speed SE 5 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 24 Jul 2:53 pm CDT
Extended Forecast for

2 Miles SW Shiloh IL

Heat Advisory July 26, 11:00am until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Showers likely, mainly before 4pm. Cloudy, with a high near 78. Calm wind. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms before 10pm, then scattered showers between 10pm and 11pm, then scattered showers and thunderstorms after 11pm. Cloudy, with a low around 68. Light southeast wind. Chance of precipitation is 50%.

    Low: 68 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 72. Light southeast wind.

    Low: 72 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly before 4pm. Cloudy, with a high near 78. Calm wind. Chance of precipitation is 60%.
Tonight
Scattered showers and thunderstorms before 10pm, then scattered showers between 10pm and 11pm, then scattered showers and thunderstorms after 11pm. Cloudy, with a low around 68. Light southeast wind. Chance of precipitation is 50%.
Saturday
Scattered showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 3 to 6 mph. Chance of precipitation is 50%.
Saturday Night
Increasing clouds, with a low around 72. Light southeast wind.
Sunday
Mostly sunny, with a high near 92. Calm wind.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Shiloh IL
 38.54°N 89.92°W (Elev. 600 ft)
Last Update:
2:31 pm CDT Jul 24, 2026
Forecast Valid:
3pm CDT Jul 24, 2026-6pm CDT Jul 31, 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