Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
19°F
-7°C
| Humidity | 57% |
| Wind Speed | NW 16 mph |
| Barometer | 30.18 in (1022.5 mb) |
| Dewpoint | 6°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 4°F (-16°C) |
| Last update | 17 Mar 3:54 am CDT |
Extended Forecast for
3 Miles WNW Carrollton IL
Today

High: 31 °F
Increasing
CloudsTonight
Low: 27 °F
Chance Snow
then Chance
Rain/SnowWednesday

High: 61 °F
Sunny
Wednesday Night

Low: 40 °F
Mostly Cloudy
Thursday

High: 71 °F
Mostly Sunny
Thursday Night

Low: 43 °F
Partly Cloudy
Friday

High: 74 °F
Mostly Sunny
Friday Night

Low: 48 °F
Partly Cloudy
Saturday

High: 76 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 31. Northwest wind 6 to 11 mph becoming south in the afternoon.
Tonight
A chance of snow before 3am, then a chance of rain. Cloudy, with a low around 27. Southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 61. South wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 40. Calm wind becoming south around 6 mph after midnight.
Thursday
Mostly sunny, with a high near 71. South wind around 7 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 54.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Carrollton IL
39.29°N 90.46°W (Elev. 607 ft)
39.29°N 90.46°W (Elev. 607 ft)
3:31 am CDT Mar 17, 2026
4am CDT Mar 17, 2026-6pm CDT Mar 23, 2026


