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

40°F

4°C

Humidity 60%
Wind Speed W 29 G 38 mph
Barometer 29.81 in (1009.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 16 Jan 6:54 pm CST
Extended Forecast for

3 Miles WNW Carrollton IL

  • Tonight

    Tonight: A chance of snow before midnight, then isolated snow showers between midnight and 3am, then scattered flurries after 3am. Mostly cloudy, with a low around 18. West wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    Low: 18 °F

    Chance Snow
    then Isolated
    Snow Showers

  • Saturday

    Saturday: Scattered flurries after noon. Mostly cloudy, with a high near 23. West wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 23 °F

    Scattered
    Flurries

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 10. West wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 10 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 31. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 10. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 10 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 20.

    High: 20 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow before midnight, then isolated snow showers between midnight and 3am, then scattered flurries after 3am. Mostly cloudy, with a low around 18. West wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Saturday
Scattered flurries after noon. Mostly cloudy, with a high near 23. West wind 14 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 10. West wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 31. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 10. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
M.L.King Day
Sunny and cold, with a high near 20.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 34. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of snow. Partly cloudy, with a low around 21.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Carrollton IL
 39.29°N 90.46°W (Elev. 607 ft)
Last Update:
4:56 pm CST Jan 16, 2026
Forecast Valid:
7pm CST Jan 16, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation