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

43°F

6°C

Humidity 51%
Wind Speed W 17 G 26 mph
Barometer 29.72 in (1006.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 16 Jan 11:54 am CST
Extended Forecast for

3 Miles WNW Carrollton IL

  • Today

    Today: A slight chance of rain showers between 3pm and 4pm, then scattered rain and snow showers. Mostly cloudy, with a high near 43. West wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 43 °F

    Scattered
    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers likely before 10pm, then scattered snow showers between 10pm and 3am, then scattered flurries after 3am. Mostly cloudy, with a low around 18. West wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Rain/Snow
    Likely 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: Partly cloudy, with a low around 10. West wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 10.

    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

Detailed Forecast

Today
A slight chance of rain showers between 3pm and 4pm, then scattered rain and snow showers. Mostly cloudy, with a high near 43. West wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tonight
Rain and snow showers likely before 10pm, then scattered snow showers between 10pm and 3am, then scattered flurries after 3am. Mostly cloudy, with a low around 18. West wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
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
Partly cloudy, with a low around 10. West wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 30. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 10.
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 25.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 37.
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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:
10:41 am CST Jan 16, 2026
Forecast Valid:
11am CST Jan 16, 2026-6pm CST Jan 22, 2026
 
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Additional Resources

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Chance of Precipitation