Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
25°F
-4°C
| Humidity | 58% |
| Wind Speed | S 12 mph |
| Barometer | 30.05 in (1018.0 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 24 Feb 6:54 am CST |
Extended Forecast for
3 Miles E Dow IL
Today
High: 56 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyTonight

Low: 32 °F
Mostly Cloudy
Wednesday

High: 51 °F
Partly Sunny
Wednesday Night

Low: 35 °F
Rain Likely
Thursday
High: 49 °F
Slight Chance
Rain then
Partly SunnyThursday Night

Low: 31 °F
Mostly Clear
Friday

High: 64 °F
Sunny
Friday Night

Low: 38 °F
Mostly Clear
Saturday

High: 64 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 56. Breezy, with a south wind 14 to 22 mph becoming southwest in the afternoon. Winds could gust as high as 36 mph.
Tonight
Mostly cloudy, with a low around 32. Southwest wind 5 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, with a high near 51. Light and variable wind becoming north around 6 mph in the morning.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 35. East wind 6 to 9 mph. Chance of precipitation is 60%.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 49. East wind 7 to 10 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles E Dow IL
39.04°N 90.27°W (Elev. 600 ft)
39.04°N 90.27°W (Elev. 600 ft)
6:46 am CST Feb 24, 2026
7am CST Feb 24, 2026-6pm CST Mar 2, 2026



