Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
74°F
23°C
| Humidity | 71% |
| Wind Speed | SW 14 mph |
| Barometer | 29.88 in (1011.3 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 14 Apr 8:54 am CDT |
Extended Forecast for
4 Miles SSW Hardin IL
Today

High: 86 °F
Mostly Sunny
Tonight
Low: 67 °F
Slight Chance
T-storms then
Chance
ShowersWednesday

High: 78 °F
Showers
Wednesday Night

Low: 61 °F
Showers
Thursday

High: 77 °F
Showers
LikelyThursday Night

Low: 58 °F
Mostly Clear
Friday
High: 83 °F
Mostly Sunny
then Slight
Chance
T-stormsFriday Night
Low: 56 °F
Chance
T-storms then
ShowersSaturday

High: 67 °F
Chance
Showers
Detailed Forecast
Today
Mostly sunny, with a high near 86. Southwest wind 6 to 13 mph, with gusts as high as 26 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday
Showers and possibly a thunderstorm. High near 78. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 61. Southwest wind around 10 mph. Chance of precipitation is 80%.
Thursday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Southwest wind 7 to 9 mph. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 58.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 56. Chance of precipitation is 80%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 68.
Additional Forecasts and Information
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ABOUT 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)
9:41 am CDT Apr 14, 2026
9am CDT Apr 14, 2026-6pm CDT Apr 20, 2026



