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
64°F
18°C
| Humidity | 90% |
| Wind Speed | E 8 mph |
| Barometer | 29.90 in (1012.1 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 7:54 am CDT |
Extended Forecast for
3 Miles WNW Carrollton IL
Today
High: 84 °F
Mostly Sunny
then Chance
T-stormsTonight

Low: 45 °F
T-storms
Saturday

High: 56 °F
Chance
ShowersSaturday Night

Low: 37 °F
Mostly Clear
Sunday

High: 63 °F
Sunny
Sunday Night

Low: 39 °F
Mostly Clear
Monday

High: 69 °F
Sunny
Monday Night

Low: 50 °F
Mostly Clear
Tuesday

High: 77 °F
Mostly Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 84. South wind 10 to 17 mph, with gusts as high as 28 mph.
Tonight
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 45. South wind around 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of showers, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 56. Northwest wind around 17 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 37. West wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 63. West wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Carrollton IL
39.29°N 90.46°W (Elev. 607 ft)
39.29°N 90.46°W (Elev. 607 ft)
8:01 am CDT Apr 17, 2026
8am CDT Apr 17, 2026-6pm CDT Apr 23, 2026



