Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

31°F

-1°C

Humidity 72%
Wind Speed N 7 mph
Barometer 30.30 in (1026.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 3 Feb 8:54 pm CST
Extended Forecast for

5 Miles W Dow IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. North wind 3 to 6 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. North wind 3 to 7 mph.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 15. Light and variable wind.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 40. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. North wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 30. North wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 15. Light and variable wind.
Thursday
Partly sunny, with a high near 40. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 32. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Dow IL
 39.05°N 90.41°W (Elev. 600 ft)
7:36 pm CST Feb 3, 2026
9pm CST Feb 3, 2026-6pm CST Feb 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database