National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

27°F

-3°C

Humidity 53%
Wind Speed W 14 mph
Barometer 30.32 in (1027.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 27 Jan 2:54 pm CST
Extended Forecast for

4 Miles SW Carrollton IL

  • Tonight

    Tonight: Clear, with a low around 0. Northwest wind around 6 mph becoming light and variable in the evening.

    Low: 0 °F

    Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 27. Wind chill values as low as -10. West wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 27 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 6. West wind around 6 mph becoming light and variable after midnight.

    Low: 6 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy and cold, with a high near 18. Northeast wind 3 to 6 mph.

    High: 18 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. North wind 3 to 6 mph.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 14.

    High: 14 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Saturday

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

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 0. Northwest wind around 6 mph becoming light and variable in the evening.
Wednesday
Partly sunny, with a high near 27. Wind chill values as low as -10. West wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Increasing clouds, with a low around 6. West wind around 6 mph becoming light and variable after midnight.
Thursday
Cloudy and cold, with a high near 18. Northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 2. North wind 3 to 6 mph.
Friday
Mostly sunny and cold, with a high near 14.
Friday Night
Partly cloudy, with a low around -1.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 25.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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

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High Temperature

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Chance of Precipitation