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.

Heavy Rain Fog/Mist

71°F

22°C

Humidity 96%
Wind Speed SE 8 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 70°F (21°C)
Visibility 2.50 mi
Last update 26 Jun 9:53 am CDT
Extended Forecast for

New Baden IL

Flood Watch June 26, 10:11am until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 26, 10:11am until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • Today

    High: 80 °F

    Showers then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 68. Southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 93. South wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely between 3pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 80. South wind 8 to 10 mph. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 68. Southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. Calm wind.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 93. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Clear, with a low around 76.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 96.
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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:
3:36 am CDT Jun 26, 2026
Forecast Valid:
10am CDT Jun 26, 2026-6pm CDT Jul 2, 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