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

59°F

15°C

Humidity 75%
Wind Speed Calm
Barometer 30.09 in (1018.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 8:53 am CDT
Extended Forecast for

2 Miles N New Baden IL

  • Today

    Today: Increasing clouds, with a high near 79. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 79 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 56. East wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Light south wind.

    Low: 61 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 93. Light southwest wind increasing to 9 to 14 mph in the morning.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 79. Calm wind becoming east 5 to 8 mph in the afternoon.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 56. East wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Light and variable wind.
Sunday Night
Mostly clear, with a low around 61. Light south wind.
Columbus Day
Sunny, with a high near 93. Light southwest wind increasing to 9 to 14 mph in the morning.
Monday Night
Clear, with a low around 69.
Tuesday
Sunny, with a high near 90.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 64.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 55.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N New Baden IL
 38.56°N 89.7°W (Elev. 476 ft)
Last Update:
8:36 am CDT Oct 10, 2026
Forecast Valid:
8am CDT Oct 10, 2026-6pm CDT Oct 16, 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