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Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Mostly Cloudy
28°F
-2°C
| Humidity | 58% |
| Wind Speed | NW 10 mph |
| Barometer | 30.40 in (1029.8 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 19°F (-7°C) |
| Last update | 11 Jan 5:54 am CST |
Extended Forecast for
2 Miles S Dow IL
Today

High: 38 °F
Decreasing
CloudsTonight

Low: 25 °F
Mostly Clear
Monday

High: 50 °F
Sunny
Monday Night

Low: 36 °F
Partly Cloudy
Tuesday

High: 57 °F
Partly Sunny
Tuesday Night

Low: 36 °F
Mostly Cloudy
Wednesday

High: 42 °F
Mostly Cloudy
Wednesday Night

Low: 19 °F
Partly Cloudy
Thursday

High: 37 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy, then gradually becoming sunny, with a high near 38. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 25. Southwest wind 5 to 9 mph.
Monday
Sunny, with a high near 50. Southwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 36. Southwest wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 57. West wind 10 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 41.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly cloudy, with a high near 30.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles S Dow IL
39.02°N 90.3°W (Elev. 610 ft)
39.02°N 90.3°W (Elev. 610 ft)
4:31 am CST Jan 11, 2026
6am CST Jan 11, 2026-6pm CST Jan 17, 2026


