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Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair and Breezy
14°F
-10°C
| Humidity | 47% |
| Wind Speed | W 21 G 26 mph |
| Barometer | 30.39 in (1029.6 mb) |
| Dewpoint | -3°F (-19°C) |
| Visibility | 10.00 mi |
| Wind Chill | -4°F (-20°C) |
| Last update | 19 Jan 8:54 am CST |
Extended Forecast for
3 Miles SSW Dow IL
Cold Weather Advisory January 19, 09:14am until January 19, 10:00am
NOW until 10:00am Mon
Cold Weather Advisory
M.L.King Day
High: 20 °F
Mostly Sunny
and Blustery
then SunnyTonight

Low: 12 °F
Mostly Clear
Tuesday

High: 36 °F
Decreasing
CloudsTuesday Night

Low: 27 °F
Increasing
CloudsWednesday

High: 43 °F
Sunny
Wednesday Night

Low: 22 °F
Mostly Clear
Thursday

High: 35 °F
Sunny
Thursday Night

Low: 16 °F
Mostly Cloudy
Detailed Forecast
M.L.King Day
Sunny and cold, with a high near 20. Blustery, with a west wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 12. West wind around 6 mph becoming light and variable.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 36. South wind 5 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 27. South wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 43. West wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 22.
Thursday
Sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly cloudy, with a high near 23.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 0.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 13.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 24.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Dow IL
39°N 90.33°W (Elev. 597 ft)
39°N 90.33°W (Elev. 597 ft)
7:47 am CST Jan 19, 2026
9am CST Jan 19, 2026-6pm CST Jan 25, 2026



