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.

Light Snow and Windy

26°F

-3°C

Humidity 71%
Wind Speed NW 28 G 43 mph
Barometer 29.77 in (1008.4 mb)
Dewpoint 18°F (-8°C)
Visibility 8.00 mi
Wind Chill10°F (-12°C)
Last update 16 Mar 4:54 am CDT
Extended Forecast for

3 Miles SSE Carrollton IL

Wind Advisory March 16, 05:27am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 05:27am until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Today

    High: 25 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 11 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 34. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 34 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 28. Southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. South wind 8 to 10 mph becoming west in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Today
A 40 percent chance of snow, mainly before 11am. Cloudy, with a high near 25. Blustery, with a northwest wind 23 to 28 mph, with gusts as high as 45 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 34. Northwest wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 28. Southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 61. South wind 8 to 10 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Carrollton IL
 39.24°N 90.4°W (Elev. 499 ft)
Last Update:
3:56 am CDT Mar 16, 2026
Forecast Valid:
5am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation