News Headlines
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
37°F
3°C
| Humidity | 67% |
| Wind Speed | E 5 mph |
| Barometer | 30.15 in (1021.2 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 2 Feb 4:54 pm CST |
Extended Forecast for
5 Miles W Dow IL
Tonight
Low: 28 °F
Mostly Cloudy
then Slight
Chance Wintry
MixTuesday
High: 33 °F
Slight Chance
Snow then
Partly SunnyTuesday Night

Low: 15 °F
Partly Cloudy
Wednesday

High: 29 °F
Mostly Sunny
Wednesday Night

Low: 15 °F
Mostly Clear
Thursday

High: 40 °F
Partly Sunny
Thursday Night

Low: 32 °F
Mostly Clear
Friday

High: 47 °F
Mostly Sunny
Friday Night

Low: 23 °F
Mostly Clear
Detailed Forecast
Tonight
A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 28. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of snow before 9am. Mostly cloudy, with a high near 33. North wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 15. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 29. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 15. Light and variable wind.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 32.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 47.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
4:46 pm CST Feb 2, 2026
5pm CST Feb 2, 2026-6pm CST Feb 9, 2026


