Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
40°F
4°C
| Humidity | 93% |
| Wind Speed | E 7 mph |
| Barometer | 29.92 in (1013.1 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 7.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 17 Feb 5:54 am CST |
Extended Forecast for
4 Miles WSW Hardin IL
Today

High: 63 °F
Mostly Cloudy
Tonight

Low: 52 °F
Slight Chance
RainWednesday

High: 71 °F
Sunny
Wednesday Night

Low: 46 °F
Partly Cloudy
Thursday

High: 71 °F
Chance
ShowersThursday Night
Low: 35 °F
Slight Chance
Showers then
Mostly ClearFriday

High: 48 °F
Sunny
Friday Night

Low: 28 °F
Partly Cloudy
Saturday

High: 44 °F
Chance Snow
Detailed Forecast
Today
Mostly cloudy, with a high near 63. South wind 5 to 14 mph, with gusts as high as 30 mph.
Tonight
A slight chance of rain between 11pm and 3am. Cloudy during the early evening, then gradual clearing, with a low around 52. South wind 11 to 17 mph becoming southwest after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 46. South wind 3 to 5 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. South wind 5 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 35.
Friday
Sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 44.
Saturday Night
A 20 percent chance of snow before midnight. Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Sunny, with a high near 40.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Hardin IL
39.14°N 90.69°W (Elev. 430 ft)
39.14°N 90.69°W (Elev. 430 ft)
5:01 am CST Feb 17, 2026
6am CST Feb 17, 2026-6pm CST Feb 23, 2026


