Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
41°F
5°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 30.30 in (1026.2 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 3 Nov 9:54 pm CST |
Extended Forecast for
Dow IL
Tonight
Low: 40 °F
Partly Cloudy
Tuesday
High: 72 °F
Becoming
SunnyTuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 69 °F
Sunny
Wednesday Night
Low: 40 °F
Clear
Thursday
High: 64 °F
Sunny
Thursday Night
Low: 53 °F
Mostly Cloudy
then Chance
RainFriday
High: 67 °F
Mostly Sunny
Friday Night
Low: 41 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 40. Calm wind becoming southeast around 6 mph after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 72. South wind 6 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 52. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 69. Southwest wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 40. North wind around 6 mph becoming east after midnight.
Thursday
Sunny, with a high near 64.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 49.
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)
9:01 pm CST Nov 3, 2025
10pm CST Nov 3, 2025-6pm CST Nov 10, 2025
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