Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
55°F
13°C
| Humidity | 96% |
| Wind Speed | E 12 mph |
| Barometer | 29.87 in (1011.4 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 4.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 1 Apr 11:54 pm CDT |
Extended Forecast for
4 Miles SSW Hardin IL
Overnight

Low: 50 °F⇑
Showers
LikelyThursday
High: 75 °F
Chance
Showers then
Showers
LikelyThursday Night

Low: 59 °F
Showers
LikelyFriday
High: 80 °F
Chance
Showers then
Chance
T-stormsFriday Night

Low: 52 °F
Showers
Saturday

High: 59 °F
Showers
LikelySaturday Night

Low: 38 °F
Partly Cloudy
Sunday

High: 56 °F
Sunny
Sunday Night

Low: 38 °F
Clear
Detailed Forecast
Overnight
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a temperature rising to around 56 by 5am. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 59. South wind 12 to 17 mph becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 80. South wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 52. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 56.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 63.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 66.
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)
10:31 pm CDT Apr 1, 2026
12am CDT Apr 2, 2026-6pm CDT Apr 8, 2026



