National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

76°F

24°C

Humidity 60%
Wind Speed N 6 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Jun 9:53 am CDT
Extended Forecast for

2 Miles SSE New Baden IL

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 83. Light northwest wind.

    High: 83 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 8am. Mostly sunny, with a high near 86. Light southwest wind.

    High: 86 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 68. Light southeast wind.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. High near 84. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 84 °F

    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms. Low around 67. Chance of precipitation is 90%.

    Low: 67 °F

    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Increasing clouds, with a high near 83. Light northwest wind.
Tonight
Mostly cloudy, with a low around 64. Calm wind.
Saturday
A 20 percent chance of showers before 8am. Mostly sunny, with a high near 86. Light southwest wind.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 68. Light southeast wind.
Sunday
Showers and thunderstorms. High near 84. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms. Low around 67. Chance of precipitation is 90%.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE New Baden IL
 38.52°N 89.7°W (Elev. 449 ft)
Last Update:
8:41 am CDT Jun 19, 2026
Forecast Valid:
10am CDT Jun 19, 2026-6pm CDT Jun 25, 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