Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

51°F

11°C

Humidity 36%
Wind Speed E 7 G 17 mph
Barometer 30.40 in (1029.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 23 Mar 2:54 pm CDT
Extended Forecast for

4 Miles SW Carrollton IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. East wind 6 to 8 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southeast wind 7 to 9 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Southeast wind around 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. South wind 6 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. South wind 7 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 40. Breezy.  Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 51. Breezy.

    High: 51 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. East wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 61. Southeast wind 7 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 42. Southeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 77. South wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 61. South wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 51. Breezy.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Carrollton IL
 39.25°N 90.46°W (Elev. 600 ft)
2:46 pm CDT Mar 23, 2026
3pm CDT Mar 23, 2026-6pm CDT Mar 30, 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