Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
70°F
21°C
| Humidity | 61% |
| Wind Speed | SW 9 mph |
| Barometer | 29.79 in (1008.2 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 26 Mar 5:54 am CDT |
Extended Forecast for
4 Miles SSW Hardin IL
Today
High: 91 °F
Sunny then
Sunny and
BreezyTonight
Low: 40 °F
Chance
T-storms then
Showers and
BreezyFriday
High: 53 °F
Chance
Showers then
Mostly SunnyFriday Night

Low: 30 °F
Mostly Clear
Saturday

High: 54 °F
Sunny
Saturday Night

Low: 43 °F
Mostly Cloudy
Sunday

High: 67 °F
Mostly Cloudy
Sunday Night

Low: 56 °F
Partly Cloudy
Monday

High: 80 °F
Slight Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 91. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Showers and thunderstorms likely before 2am, then showers and possibly a thunderstorm between 2am and 4am, then showers likely after 4am. Low around 40. Breezy, with a southwest wind 8 to 13 mph becoming northeast 16 to 21 mph in the evening. Winds could gust as high as 38 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 53. North wind 13 to 16 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 30. North wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 54. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
Partly cloudy, with a low around 56.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 80.
Monday Night
A 30 percent chance of rain and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
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)
4:21 am CDT Mar 26, 2026
6am CDT Mar 26, 2026-6pm CDT Apr 1, 2026



