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

67°F

19°C

Humidity 55%
Wind Speed SE 3 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 8 Oct 6:53 pm CDT
Extended Forecast for

New Baden IL

  • Tonight

    Tonight: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Southeast wind 3 to 6 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after 4pm. Increasing clouds, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly after 7pm. Mostly cloudy, with a low around 59. Northeast wind 7 to 9 mph.

    Low: 59 °F

    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 50. Calm wind.
Friday
Sunny, with a high near 89. Light southeast wind becoming south 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 59. Southeast wind 3 to 6 mph.
Saturday
A 20 percent chance of rain after 4pm. Increasing clouds, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
A 50 percent chance of rain, mainly after 7pm. Mostly cloudy, with a low around 59. Northeast wind 7 to 9 mph.
Sunday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 58.
Columbus Day
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Thursday
A 40 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:
New Baden IL
 38.54°N 89.7°W (Elev. 453 ft)
Last Update:
4:51 pm CDT Oct 8, 2026
Forecast Valid:
7pm CDT Oct 8, 2026-6pm CDT Oct 15, 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