Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
58°F
14°C
| Humidity | 65% |
| Wind Speed | Calm |
| Barometer | 29.90 in (1012.0 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 21 Mar 12:54 am CDT |
Extended Forecast for
Kane ILSimilar City Names
Overnight

Low: 49 °F
Mostly Clear
Saturday

High: 88 °F
Sunny
Saturday Night

Low: 63 °F
Mostly Clear
Sunday
High: 85 °F
Mostly Sunny
then Mostly
Cloudy and
BreezySunday Night
Low: 36 °F
Mostly Cloudy
and Breezy
then Mostly
ClearMonday

High: 56 °F
Sunny
Monday Night

Low: 39 °F
Partly Cloudy
Tuesday

High: 62 °F
Partly Sunny
Tuesday Night

Low: 42 °F
Slight Chance
Rain
Detailed Forecast
Overnight
Mostly clear, with a low around 49. East wind 3 to 5 mph.
Saturday
Sunny, with a high near 88. East wind 5 to 8 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 63. South wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 85. Breezy, with a southwest wind 10 to 15 mph becoming north 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 36. Breezy, with a north wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 32 mph.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A slight chance of rain and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of rain. Sunny, with a high near 79.
Thursday Night
A 30 percent chance of rain. Partly cloudy, with a low around 42.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 55.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Kane ILSimilar City Names
39.2°N 90.35°W (Elev. 551 ft)
39.2°N 90.35°W (Elev. 551 ft)
1:26 am CDT Mar 21, 2026
1am CDT Mar 21, 2026-6pm CDT Mar 27, 2026


