Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
84°F
29°C
| Humidity | 36% |
| Wind Speed | SW 13 G 20 mph |
| Barometer | 29.91 in (1012.4 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 7 Oct 12:54 pm CDT |
Extended Forecast for
3 Miles SSW Dow IL
This Afternoon
High: 88 °F
Sunny
Tonight
Low: 56 °F
Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 59 °F
Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
then Slight
Chance
ShowersSunday
High: 82 °F
Chance
Showers
Detailed Forecast
This Afternoon
Sunny, with a high near 88. West wind around 11 mph.
Tonight
Clear, with a low around 56. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. Light and variable wind becoming northeast around 5 mph in the evening.
Friday
Sunny, with a high near 88. South wind 6 to 10 mph.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 88.
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 58.
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°N 90.33°W (Elev. 597 ft)
39°N 90.33°W (Elev. 597 ft)
11:26 am CDT Oct 7, 2026
1pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
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