Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
38°F
3°C
| Humidity | 70% |
| Wind Speed | N 15 G 23 mph |
| Barometer | 30.31 in (1026.4 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 23 Mar 5:54 am CDT |
Extended Forecast for
4 Miles SW Carrollton IL
Today

High: 54 °F
Mostly Sunny
Tonight

Low: 35 °F
Chance
SprinklesTuesday

High: 60 °F
Mostly Sunny
Tuesday Night

Low: 40 °F
Partly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Wednesday Night

Low: 58 °F
Mostly Clear
Thursday
High: 88 °F
Sunny then
Slight Chance
T-stormsThursday Night

Low: 40 °F
Showers
LikelyFriday

High: 51 °F
Chance
Showers
Detailed Forecast
Today
Mostly sunny, with a high near 54. North wind 9 to 11 mph, with gusts as high as 20 mph.
Tonight
A chance of sprinkles after 2am. Mostly cloudy, with a low around 35. East wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 60. Southeast wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 40. South wind around 7 mph.
Wednesday
Mostly sunny, with a high near 74. South wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Partly sunny, with a high near 62.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SW Carrollton IL
39.25°N 90.46°W (Elev. 600 ft)
39.25°N 90.46°W (Elev. 600 ft)
3:41 am CDT Mar 23, 2026
6am CDT Mar 23, 2026-6pm CDT Mar 29, 2026


