Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
52°F
11°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 29.97 in (1014.6 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 11:54 pm CDT |
Extended Forecast for
3 Miles SSW Dow IL
Overnight
Low: 53 °F
Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 54 °F
Mostly Clear
Thursday
High: 81 °F
Sunny
Thursday Night
Low: 53 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 57 °F
Clear
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Overnight
Clear, with a low around 53. Southwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 88. Southwest wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 54. North wind 3 to 6 mph.
Thursday
Sunny, with a high near 81. North wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 53. East wind around 6 mph.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 90.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 85.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 59.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Dow IL
39.02°N 90.33°W (Elev. 650 ft)
39.02°N 90.33°W (Elev. 650 ft)
10:46 pm CDT Oct 6, 2026
12am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
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