Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 30.02 in (1016.0 mb)
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 4 Aug 5:53 am CDT
Extended Forecast for

New Baden IL

  • Today

    Today: Patchy fog before 7am.  Otherwise, sunny, with a high near 87. Calm wind.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 71. Southeast wind 3 to 6 mph.  Chance of precipitation is 60%.

    Low: 71 °F

    Partly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm.  Mostly cloudy, with a high near 86. Southwest wind 3 to 5 mph.  Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, sunny, with a high near 87. Calm wind.
Tonight
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. Southeast wind 3 to 6 mph. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 86. Southwest wind 3 to 5 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 73.
Monday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
New Baden IL
 38.54°N 89.7°W (Elev. 453 ft)
5:21 am CDT Aug 4, 2026
6am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
 
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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