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
80°F
27°C
| Humidity | 49% |
| Wind Speed | S 23 G 31 mph |
| Barometer | 29.87 in (1011.2 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 6 Mar 2:54 pm CST |
Extended Forecast for
4 Miles SSW Hardin IL
This Afternoon

High: 80 °F
Slight Chance
RainTonight
Low: 59 °F
Slight Chance
T-storms then
RainSaturday
High: 62 °F⇓
Rain then
Partly SunnySaturday Night

Low: 36 °F
Decreasing
CloudsSunday

High: 65 °F
Sunny
Sunday Night

Low: 46 °F
Clear
Monday

High: 77 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
then Chance
RainTuesday
High: 78 °F
Chance Rain
then Rain
Detailed Forecast
This Afternoon
A 20 percent chance of rain before 5pm. Partly sunny, with a high near 80. South wind 11 to 14 mph, with gusts as high as 26 mph.
Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2am. Low around 59. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Saturday
Rain and thunderstorms, mainly before 10am. Temperature falling to around 53 by 4pm. Southwest wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 36. West wind 5 to 10 mph.
Sunday
Sunny, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 46.
Monday
Sunny, with a high near 77.
Monday Night
A 30 percent chance of rain after midnight. Mostly clear, with a low around 58.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 78. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.
Wednesday
Rain likely. Cloudy, with a high near 57. Chance of precipitation is 70%.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly 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)
2:41 pm CST Mar 6, 2026
3pm CST Mar 6, 2026-6pm CDT Mar 13, 2026



