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.

Overcast and Windy

52°F

11°C

Humidity 77%
Wind Speed NW 30 G 40 mph
Barometer 29.66 in (1004.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 28 Dec 3:54 pm CST
Extended Forecast for

4 Miles SW Carrollton IL

Wind Advisory until December 29, 06:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 29, 06:00am

    NOW until 6:00am Mon

    Wind Advisory

  • This Afternoon

    High: 70 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A slight chance of rain before 8pm, then a chance of snow between 8pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 17. Breezy, with a west wind 25 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.

    Low: 17 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 26. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 39 mph.

    High: 26 °F

    Decreasing
    Clouds and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34. West wind 6 to 10 mph.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 70. Breezy, with a west wind around 24 mph, with gusts as high as 38 mph.
Tonight
A slight chance of rain before 8pm, then a chance of snow between 8pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 17. Breezy, with a west wind 25 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 26. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 39 mph.
Monday Night
Partly cloudy, with a low around 16. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 34. West wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 22.
New Year's Day
Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 39.
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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:
4:21 pm CST Dec 28, 2025
Forecast Valid:
4pm CST Dec 28, 2025-6pm CST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation