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 | 68% |
| Wind Speed | S 6 mph |
| Barometer | 30.17 in (1021.4 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 8:54 am CDT |
Extended Forecast for
Dow IL
Today
High: 87 °F
Sunny
Tonight
Low: 60 °F
Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 86 °F
Chance
ShowersMonday Night
Low: 63 °F
Chance
Showers then
Chance
T-stormsTuesday
High: 76 °F
Chance
T-stormsTuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 72 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 87. South wind 6 to 13 mph.
Tonight
Clear, with a low around 60. South wind around 8 mph.
Sunday
Sunny, with a high near 86. South wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 63. South wind 6 to 9 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. South wind 5 to 8 mph. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 50.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Dow IL
39.04°N 90.33°W (Elev. 623 ft)
39.04°N 90.33°W (Elev. 623 ft)
7:36 am CDT Oct 4, 2025
9am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
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