Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
48°F
9°C
| Humidity | 41% |
| Wind Speed | S 13 mph |
| Barometer | 29.95 in (1014.1 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 12 Mar 9:54 pm CDT |
Extended Forecast for
4 Miles SSW Hardin IL
Wind Advisory until March 13, 11:00am
NOW until 11:00am Fri
Wind Advisory
Tonight
Low: 45 °F
Partly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 57 °F
Mostly Sunny
Friday Night

Low: 36 °F
Partly Cloudy
Saturday

High: 63 °F
Partly Sunny
Saturday Night
Low: 53 °F
Mostly Cloudy
then Slight
Chance RainSunday
High: 66 °F
Rain Likely
then RainSunday Night

Low: 20 °F
Rain/Snow and
BlusteryMonday

High: 26 °F
Slight Chance
Snow and
Blustery
Detailed Forecast
Tonight
Mostly cloudy, with a low around 45. Breezy, with a light and variable wind becoming southwest 16 to 21 mph after midnight. Winds could gust as high as 38 mph.
Friday
Mostly sunny, with a high near 57. West wind 10 to 17 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable.
Saturday
Partly sunny, with a high near 63. East wind 7 to 10 mph, with gusts as high as 21 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 53. Southeast wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday
Rain and possibly a thunderstorm. High near 66. Chance of precipitation is 90%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 20. Blustery. Chance of precipitation is 80%.
Monday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 26. Blustery.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 65.
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)
10:36 pm CDT Mar 12, 2026
10pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026



