Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

41°F

5°C

Humidity 67%
Wind Speed NW 20 G 26 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 9 Nov 2:54 am CST
Extended Forecast for

3 Miles SSW Dow IL

  • Overnight

    Overnight: A chance of flurries after 5am.  Cloudy, with a low around 34. Breezy, with a northwest wind around 23 mph, with gusts as high as 33 mph.

    Low: 34 °F

    Chance
    Flurries and
    Breezy

  • Sunday

    Sunday: A chance of flurries.  Cloudy through mid morning, then gradual clearing, with a high near 37. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph.

    High: 37 °F

    Chance
    Flurries and
    Breezy

  • Sunday Night

    Sunday Night: A chance of flurries before 1am.  Partly cloudy, with a low around 24. Northwest wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 40. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. West wind 5 to 9 mph becoming south after midnight.

    Low: 25 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of flurries after 5am. Cloudy, with a low around 34. Breezy, with a northwest wind around 23 mph, with gusts as high as 33 mph.
Sunday
A chance of flurries. Cloudy through mid morning, then gradual clearing, with a high near 37. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph.
Sunday Night
A chance of flurries before 1am. Partly cloudy, with a low around 24. Northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 40. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 29 mph.
Monday Night
Partly cloudy, with a low around 25. West wind 5 to 9 mph becoming south after midnight.
Veterans Day
Partly sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Dow IL
 39°N 90.33°W (Elev. 597 ft)
2:56 am CST Nov 9, 2025
3am CST Nov 9, 2025-6pm CST Nov 15, 2025
 
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Additional Resources

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Hourly Weather Forecast

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