Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds and Windy
20°F
-7°C
| Humidity | 52% |
| Wind Speed | NW 37 G 48 mph |
| Barometer | 30.08 in (1018.6 mb) |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 29 Dec 1:54 am CST |
Extended Forecast for
3 Miles SSW Dow IL
Wind Advisory until December 29, 06:00am
NOW until 6:00am Mon

Wind Advisory
Overnight

Low: 15 °F
Mostly Cloudy
and BreezyMonday

High: 28 °F
Decreasing
Clouds and
BreezyMonday Night

Low: 17 °F
Mostly Clear
Tuesday

High: 35 °F
Mostly Sunny
Tuesday Night

Low: 26 °F
Mostly Clear
Wednesday

High: 41 °F
Partly Sunny
Wednesday Night

Low: 24 °F
Partly Cloudy
New Year's Day

High: 37 °F
Mostly Sunny
Detailed Forecast
Overnight
Mostly cloudy, with a low around 15. Breezy, with a west wind around 29 mph, with gusts as high as 43 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 28. Breezy, with a northwest wind 23 to 28 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 35. West wind 8 to 10 mph.
Tuesday Night
Mostly clear, with a low around 26. West wind around 9 mph.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 24.
New Year's Day
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 40.
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)
9:26 pm CST Dec 28, 2025
2am CST Dec 29, 2025-6pm CST Jan 4, 2026



