Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

75°F

24°C

Humidity 84%
Wind Speed Calm
Barometer 30.05 in (1017.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 7 Aug 8:54 am CDT
Extended Forecast for

4 Miles SW Carrollton IL

  • Today

    Today: Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Southwest wind 3 to 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Light and variable wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 91. South wind 6 to 10 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Sunday Night

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

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

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

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 69. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 88. Light and variable wind.
Saturday Night
Mostly clear, with a low around 69. Light and variable wind.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. South wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Carrollton IL
 39.25°N 90.46°W (Elev. 600 ft)
7:46 am CDT Aug 7, 2026
9am CDT Aug 7, 2026-6pm CDT Aug 13, 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