Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

19°F

-7°C

Humidity 62%
Wind Speed NW 10 mph
Barometer 30.10 in (1019.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 17 Jan 7:54 am CST
Extended Forecast for

3 Miles SSW Dow IL

  • Today

    Today: A chance of snow showers, mainly before 10am, then a chance of flurries after 11am.  Increasing clouds, with a high near 23. West wind 14 to 18 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    High: 23 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: A chance of flurries before 7pm.  Cloudy during the early evening, then gradual clearing, with a low around 12. West wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 12 °F

    Chance
    Flurries

  • Sunday

    Sunday: A 20 percent chance of snow after noon.  Increasing clouds, with a high near 32. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 32 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 10. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 10 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 20. Northwest wind 9 to 18 mph, with gusts as high as 25 mph.

    High: 20 °F

    Cold

  • Monday Night

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

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
A chance of snow showers, mainly before 10am, then a chance of flurries after 11am. Increasing clouds, with a high near 23. West wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tonight
A chance of flurries before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 12. West wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 32. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 10. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
M.L.King Day
Sunny and cold, with a high near 20. Northwest wind 9 to 18 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 32.
Thursday Night
A slight chance of snow and sleet. Partly cloudy, with a low around 18. Chance of precipitation is 20%.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 36. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Dow IL
 39°N 90.33°W (Elev. 597 ft)
8:12 am CST Jan 17, 2026
8am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
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