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Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
32°F
0°C
| Humidity | 66% |
| Wind Speed | S 8 mph |
| Barometer | 30.07 in (1018.8 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 5 Feb 11:54 am CST |
Extended Forecast for
3 Miles SSW Dow IL
This Afternoon

High: 39 °F
Partly Sunny
Tonight

Low: 29 °F
Partly Cloudy
Friday

High: 46 °F
Increasing
Clouds and
BreezyFriday Night

Low: 22 °F
Partly Cloudy
Saturday

High: 35 °F
Sunny
Saturday Night

Low: 25 °F
Mostly Cloudy
Sunday

High: 50 °F
Mostly Sunny
Sunday Night

Low: 29 °F
Mostly Clear
Monday

High: 56 °F
Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 39. South wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 29. South wind 6 to 10 mph becoming west in the evening.
Friday
Increasing clouds, with a high near 46. Breezy, with a west wind 13 to 22 mph becoming northwest in the morning. Winds could gust as high as 34 mph.
Friday Night
Partly cloudy, with a low around 22. Northwest wind 7 to 16 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 35. Northeast wind around 7 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 63.
Tuesday Night
A 40 percent chance of rain. Cloudy, with a low around 41.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Additional Forecasts and Information
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ABOUT 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)
12:26 pm CST Feb 5, 2026
12pm CST Feb 5, 2026-6pm CST Feb 11, 2026


