Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
34°F
1°C
| Humidity | 92% |
| Wind Speed | E 5 mph |
| Barometer | 29.93 in (1013.9 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 5.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 7 Dec 5:54 am CST |
Extended Forecast for
5 Miles W Dow IL
Today
High: 37 °F⇓
Chance
Sprinkles/Flurries
then CloudyTonight

Low: 20 °F
Mostly Cloudy
Monday

High: 32 °F
Decreasing
CloudsMonday Night

Low: 24 °F
Partly Cloudy
Tuesday

High: 49 °F
Mostly Sunny
Tuesday Night

Low: 39 °F
Mostly Cloudy
Wednesday

High: 45 °F
Partly Sunny
Wednesday Night
Low: 26 °F
Mostly Cloudy
then Slight
Chance SnowThursday

High: 34 °F
Chance Snow
Detailed Forecast
Today
A chance of sprinkles and flurries before 8am, then a chance of sprinkles between 8am and 9am. Cloudy, with a temperature rising to near 37 by 8am, then falling to around 31 during the remainder of the day. Light and variable wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Tonight
Mostly cloudy, with a low around 20. North wind 6 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 32. North wind around 5 mph becoming calm.
Monday Night
Partly cloudy, with a low around 24. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 49. Southwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
Partly sunny and cold, with a high near 19.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles W Dow IL
39.05°N 90.41°W (Elev. 600 ft)
39.05°N 90.41°W (Elev. 600 ft)
5:01 am CST Dec 7, 2025
6am CST Dec 7, 2025-6pm CST Dec 13, 2025


