Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

17°F

-8°C

Humidity 64%
Wind Speed N 7 mph
Barometer 30.14 in (1021.2 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 15 Jan 7:54 am CST
Extended Forecast for

3 Miles SSW Dow IL

  • Today

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

    High: 34 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of snow before midnight, then scattered flurries after 5am.  Mostly cloudy, with a low around 29. South wind 8 to 11 mph becoming west after midnight.  Chance of precipitation is 50%.

    Low: 29 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43. West wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Scattered snow showers.  Mostly cloudy, with a low around 20. West wind 11 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    Low: 20 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 24. West wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 34. Northwest wind 6 to 8 mph becoming south in the afternoon.
Tonight
A chance of snow before midnight, then scattered flurries after 5am. Mostly cloudy, with a low around 29. South wind 8 to 11 mph becoming west after midnight. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 43. West wind 13 to 17 mph, with gusts as high as 26 mph.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 20. West wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 24. West wind 14 to 17 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Dow IL
 39°N 90.33°W (Elev. 597 ft)
6:21 am CST Jan 15, 2026
8am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
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Additional Resources

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