Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
37°F
3°C
| Humidity | 62% |
| Wind Speed | Calm |
| Barometer | 30.31 in (1026.6 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 11 Feb 6:54 pm CST |
Extended Forecast for
3 Miles SSW Dow IL
Tonight
Low: 31 °F
Partly Cloudy
Thursday
High: 50 °F
Mostly Cloudy
Thursday Night
Low: 32 °F
Mostly Cloudy
Friday
High: 56 °F
Sunny
Friday Night
Low: 36 °F
Mostly Cloudy
Saturday
High: 52 °F
Slight Chance
Rain then
Chance RainSaturday Night
Low: 41 °F
Chance Rain
Sunday
High: 57 °F
Slight Chance
Rain then
SunnySunday Night
Low: 35 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 31. Calm wind.
Thursday
Mostly cloudy, with a high near 50. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 32. Southeast wind around 6 mph.
Friday
Sunny, with a high near 56. South wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 36. South wind around 6 mph.
Saturday
A 50 percent chance of rain, mainly after noon. Cloudy, with a high near 52.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
A 20 percent chance of rain. Sunny, with a high near 67.
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)
4:16 pm CST Feb 11, 2026
7pm CST Feb 11, 2026-6pm CST Feb 18, 2026
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