Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
66°F
19°C
| Humidity | 75% |
| Wind Speed | Calm |
| Barometer | 29.91 in (1012.6 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 16 Apr 9:54 pm CDT |
Extended Forecast for
4 Miles SW Hardin IL
Flood Warning until further notice
NOW until further notice
Flood Warning
Tonight
Low: 60 °F
Mostly Clear
Friday
High: 84 °F
Mostly Sunny
then
Scattered
T-stormsFriday Night
Low: 47 °F
T-storms
Saturday
High: 58 °F
Scattered
ShowersSaturday Night
Low: 39 °F
Clear
Sunday
High: 65 °F
Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Monday
High: 73 °F
Sunny
Detailed Forecast
Tonight
Mostly clear, with a low around 60. South wind 3 to 5 mph.
Friday
Scattered showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 84. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 47. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Saturday
Scattered showers, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 58. Northwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Saturday Night
Clear, with a low around 39. West wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 79.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 57.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Hardin IL
39.1°N 90.67°W (Elev. 430 ft)
39.1°N 90.67°W (Elev. 430 ft)
9:01 pm CDT Apr 16, 2026
10pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
