Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
87°F
31°C
| Humidity | 22% |
| Wind Speed | SW 5 mph |
| Barometer | 29.75 in (1007.1 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 21 Mar 4:54 pm CDT |
Extended Forecast for
3 Miles WNW Carrollton IL
Tonight

Low: 62 °F
Mostly Clear
Sunday
High: 84 °F
Sunny then
Becoming
Cloudy and
BreezySunday Night
Low: 35 °F
Partly Cloudy
and Breezy
then Mostly
ClearMonday

High: 56 °F
Mostly Sunny
Monday Night

Low: 38 °F
Mostly Cloudy
Tuesday

High: 63 °F
Mostly Sunny
Tuesday Night

Low: 44 °F
Mostly Cloudy
Wednesday

High: 72 °F
Partly Sunny
Wednesday Night

Low: 53 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 62. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
Increasing clouds, with a high near 84. Breezy, with a southwest wind 9 to 14 mph becoming north 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 35. Breezy, with a north wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Monday
Mostly sunny, with a high near 56. Northeast wind 7 to 9 mph.
Monday Night
Mostly cloudy, with a low around 38. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain after 1pm. Mostly sunny, with a high near 81.
Thursday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 41.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 54.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 55.
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)
5:26 pm CDT Mar 21, 2026
5pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026



