Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair and Breezy
77°F
25°C
| Humidity | 28% |
| Wind Speed | S 21 G 29 mph |
| Barometer | 30.08 in (1018.3 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 8 Apr 2:54 pm CDT |
Extended Forecast for
4 Miles SSW Hardin IL
Tonight
Low: 55 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 59 °F
Partly Cloudy
then Chance
ShowersFriday
High: 68 °F
Showers
Friday Night
Low: 50 °F
Chance
ShowersSaturday
High: 71 °F
Chance
ShowersSaturday Night
Low: 60 °F
Mostly Cloudy
Sunday
High: 76 °F
Chance
ShowersSunday Night
Low: 65 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 55. South wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 77. Southwest wind around 8 mph.
Thursday Night
A 30 percent chance of showers after 1am. Increasing clouds, with a low around 59. South wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. Southwest wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 80%.
Friday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 50. Northeast wind around 6 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 82.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Hardin IL
39.1°N 90.64°W (Elev. 758 ft)
39.1°N 90.64°W (Elev. 758 ft)
2:41 pm CDT Apr 8, 2026
4pm CDT Apr 8, 2026-6pm CDT Apr 15, 2026
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