Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
54°F
12°C
| Humidity | 80% |
| Wind Speed | Calm |
| Barometer | 29.97 in (1014.8 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 8:54 pm CDT |
Extended Forecast for
5 Miles WSW Piasa IL
Tonight
Low: 52 °F
Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 53 °F
Mostly Clear
Thursday
High: 81 °F
Sunny
Thursday Night
Low: 52 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 57 °F
Clear
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 52. South wind around 6 mph.
Wednesday
Sunny, with a high near 88. Southwest wind 6 to 9 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 52. North wind around 5 mph becoming light and variable.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 90.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 85.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 59.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles WSW Piasa IL
39.08°N 90.21°W (Elev. 600 ft)
39.08°N 90.21°W (Elev. 600 ft)
7:31 pm CDT Oct 6, 2026
9pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
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