Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
66°F
19°C
| Humidity | 29% |
| Wind Speed | SW 8 mph |
| Barometer | 29.98 in (1015.2 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 18 Mar 3:54 pm CDT |
Extended Forecast for
3 Miles NE Dow IL
Tonight
Low: 41 °F
Mostly Cloudy
Thursday
High: 71 °F
Becoming
SunnyThursday Night
Low: 46 °F
Mostly Clear
Friday
High: 78 °F
Mostly Sunny
Friday Night
Low: 50 °F
Partly Cloudy
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 56 °F
Mostly Clear
Sunday
High: 78 °F
Mostly Sunny
Sunday Night
Low: 36 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 41. West wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 71. Southwest wind around 6 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 46. Northeast wind around 5 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 78. Southwest wind 5 to 11 mph.
Friday Night
Partly cloudy, with a low around 50. Northwest wind around 7 mph.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NE Dow IL
39.06°N 90.27°W (Elev. 650 ft)
39.06°N 90.27°W (Elev. 650 ft)
1:26 pm CDT Mar 18, 2026
4pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
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