Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
61°F
16°C
| Humidity | 60% |
| Wind Speed | Calm |
| Barometer | 30.01 in (1015.8 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 2:54 am CDT |
Extended Forecast for
4 Miles E Dow IL
Overnight
Low: 55 °F
Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 60 °F
Clear
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 59 °F
Chance
ShowersSunday
High: 79 °F
Slight Chance
ShowersSunday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 85. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 57. Light and variable wind becoming east around 5 mph after midnight.
Friday
Sunny, with a high near 90. South wind 6 to 10 mph.
Friday Night
Clear, with a low around 60. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 58.
Columbus Day
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 60.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 75.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles E Dow IL
39.04°N 90.24°W (Elev. 600 ft)
39.04°N 90.24°W (Elev. 600 ft)
2:16 am CDT Oct 8, 2026
3am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
