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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
39°F
4°C
| Humidity | 60% |
| Wind Speed | E 5 mph |
| Barometer | 29.91 in (1012.8 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 13 Jan 5:54 am CST |
Extended Forecast for
3 Miles SSW Dow IL
Today

High: 60 °F
Increasing
CloudsTonight

Low: 35 °F
Chance Rain
Wednesday

High: 38 °F⇓
Partly Sunny
and BreezyWednesday Night

Low: 16 °F
Mostly Clear
Thursday

High: 32 °F
Mostly Sunny
Thursday Night

Low: 27 °F
Chance Snow
Friday

High: 42 °F
Partly Sunny
and BreezyFriday Night
Low: 20 °F
Slight Chance
Rain/Snow
then Mostly
CloudySaturday

High: 29 °F
Mostly Cloudy
Detailed Forecast
Today
Increasing clouds, with a high near 60. West wind 7 to 15 mph, with gusts as high as 26 mph.
Tonight
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 35. West wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a temperature falling to around 30 by 5pm. Breezy, with a north wind 15 to 21 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly clear, with a low around 16. North wind 9 to 15 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 32. Northwest wind 7 to 9 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 42. Breezy.
Friday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 12.
M.L.King Day
Mostly sunny, with a high near 33.
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)
5:21 am CST Jan 13, 2026
6am CST Jan 13, 2026-6pm CST Jan 19, 2026



