Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Partly Cloudy
81°F
27°C
| Humidity | 23% |
| Wind Speed | SW 16 G 24 mph |
| Barometer | 30.09 in (1018.6 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 9 Apr 3:54 pm CDT |
Extended Forecast for
3 Miles WNW Carrollton IL
Tonight
Low: 56 °F
Mostly Cloudy
then Chance
ShowersFriday
High: 64 °F
Showers then
Chance
ShowersFriday Night

Low: 47 °F
Slight Chance
ShowersSaturday

High: 68 °F
Chance
ShowersSaturday Night

Low: 59 °F
Mostly Cloudy
Sunday

High: 76 °F
Chance
ShowersSunday Night

Low: 62 °F
Chance
ShowersMonday

High: 82 °F
Chance
ShowersMonday Night

Low: 66 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 56. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday
Showers and thunderstorms before 4pm, then a slight chance of showers. High near 64. Southwest wind around 10 mph becoming north in the afternoon. Chance of precipitation is 80%.
Friday Night
A 20 percent chance of showers after 7pm. Mostly cloudy, with a low around 47. Northeast wind 5 to 7 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Southeast wind 8 to 10 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 59. Southeast wind around 10 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Sunday Night
A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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)
2:41 pm CDT Apr 9, 2026
4pm CDT Apr 9, 2026-6pm CDT Apr 16, 2026



