Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

48°F

9°C

Humidity 93%
Wind Speed Calm
Barometer 30.10 in (1019.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Apr 4:54 am CDT
Extended Forecast for

4 Miles SW Carrollton IL

  • Today

    Today: Sunny, with a high near 78. Southwest wind 8 to 18 mph, with gusts as high as 30 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West wind around 9 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 7 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. South wind 9 to 17 mph, with gusts as high as 29 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 51. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 78. Southwest wind 8 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 55. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 77. West wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 7 mph.
Thursday
Mostly sunny, with a high near 82. South wind 9 to 17 mph, with gusts as high as 29 mph.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 70%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 71.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. 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)
3:01 am CDT Apr 21, 2026
5am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
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Additional Resources

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