Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

53°F

12°C

Humidity 27%
Wind Speed SE 9 mph
Barometer 30.51 in (1033.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 28 Mar 2:54 pm CDT
Extended Forecast for

4 Miles SW Carrollton IL

  • Tonight

    Tonight: Increasing clouds, with a low around 39. South wind 7 to 9 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. South wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Some of the storms could produce heavy rainfall.  Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Heavy Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 39. South wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 69. South wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 54. South wind around 11 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 83. South wind 10 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 64. South wind 13 to 16 mph, with gusts as high as 28 mph.
Tuesday
A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Some of the storms could produce heavy rainfall. Low around 43. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 68.
Friday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 50.
Saturday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Carrollton IL
 39.25°N 90.46°W (Elev. 600 ft)
1:26 pm CDT Mar 28, 2026
3pm CDT Mar 28, 2026-6pm CDT Apr 4, 2026
 
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Additional Resources

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