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Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
44°F
7°C
| Humidity | 41% |
| Wind Speed | SW 12 mph |
| Barometer | 30.11 in (1019.7 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 10 Jan 6:54 pm CST |
Extended Forecast for
2 Miles S Dow IL
Tonight
Low: 26 °F
Chance
Rain/Snow and
Blustery then
Mostly ClearSunday

High: 37 °F
Sunny
Sunday Night

Low: 27 °F
Clear
Monday

High: 50 °F
Sunny
Monday Night

Low: 36 °F
Partly Cloudy
Tuesday

High: 56 °F
Partly Sunny
Tuesday Night

Low: 36 °F
Mostly Cloudy
Wednesday

High: 41 °F
Mostly Cloudy
Wednesday Night

Low: 20 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of rain and snow showers before midnight, then a chance of flurries between midnight and 5am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 26. Blustery, with a northwest wind 11 to 16 mph increasing to 17 to 22 mph in the evening. Winds could gust as high as 36 mph. Chance of precipitation is 50%.
Sunday
Sunny, with a high near 37. Northwest wind 7 to 17 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 27. Southwest wind 6 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 10 mph.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 32.
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)
4:41 pm CST Jan 10, 2026
7pm CST Jan 10, 2026-6pm CST Jan 17, 2026



