News Headlines
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
85°F
29°C
| Humidity | 55% |
| Wind Speed | NE 12 mph |
| Barometer | 30.13 in (1019.7 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 12 Jul 2:54 pm CDT |
Extended Forecast for
Hardin IL
Tonight
Low: 65 °F
Clear
Monday
High: 86 °F
Sunny
Monday Night
Low: 65 °F
Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 72 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 65. Northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 86. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Clear, with a low around 65. Light north wind.
Tuesday
Sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. Calm wind.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hardin IL
39.16°N 90.64°W (Elev. 692 ft)
39.16°N 90.64°W (Elev. 692 ft)
1:26 pm CDT Jul 12, 2026
3pm CDT Jul 12, 2026-6pm CDT Jul 19, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
