Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

16°F

-9°C

Humidity 65%
Wind Speed W 10 mph
Barometer 30.19 in (1022.9 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 27 Jan 3:54 am CST
Extended Forecast for

4 Miles SW Carrollton IL

  • Today

    Today: Sunny, with a high near 26. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 26 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 0. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 0 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 27. West wind 3 to 8 mph.

    High: 27 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5. West wind around 5 mph becoming light and variable  in the evening.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 17. North wind 3 to 6 mph.

    High: 17 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 13.

    High: 13 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -2.

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

Detailed Forecast

Today
Sunny, with a high near 26. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 0. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 27. West wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 5. West wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly cloudy and cold, with a high near 17. North wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around -1.
Friday
Mostly sunny and cold, with a high near 13.
Friday Night
Mostly clear, with a low around -2.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Mostly clear, with a low around 0.
Sunday
Partly sunny, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Carrollton IL
 39.25°N 90.46°W (Elev. 600 ft)
3:16 am CST Jan 27, 2026
4am CST Jan 27, 2026-6pm CST Feb 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database