Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Mostly Cloudy

47°F

8°C

Humidity 59%
Wind Speed E 10 mph
Barometer 30.43 in (1030.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 7 Apr 11:54 am CDT
Extended Forecast for

3 Miles WNW Carrollton IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 50. East wind 11 to 13 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South wind 11 to 18 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. South wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 4pm.  Mostly sunny, with a high near 75. Southwest wind around 10 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 10pm.  Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 50. East wind 11 to 13 mph.
Tonight
Partly cloudy, with a low around 40. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 73. South wind 11 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 53. South wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 75. Southwest wind around 10 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Carrollton IL
 39.29°N 90.46°W (Elev. 607 ft)
11:51 am CDT Apr 7, 2026
12pm CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database