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.

Fair

64°F

18°C

Humidity 48%
Wind Speed SE 9 mph
Barometer 30.14 in (1020.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 14 May 9:53 am CDT
Extended Forecast for

New Baden IL

  • Today

    Today: Sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 55. Southeast wind 6 to 9 mph.

    Low: 55 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 80. South wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. South wind around 9 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 7am. Partly sunny, with a high near 84. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy.

    High: 88 °F

    Breezy. Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 55. Southeast wind 6 to 9 mph.
Friday
Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 80. South wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. South wind around 9 mph. Chance of precipitation is 30%.
Saturday
Showers likely, with thunderstorms also possible after 7am. Partly sunny, with a high near 84. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Baden IL
 38.54°N 89.7°W (Elev. 453 ft)
Last Update:
9:01 am CDT May 14, 2026
Forecast Valid:
10am CDT May 14, 2026-6pm CDT May 20, 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