Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
42°F
6°C
| Humidity | 65% |
| Wind Speed | N 15 mph |
| Barometer | 30.24 in (1023.8 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 23 Mar 2:54 am CDT |
Extended Forecast for
3 Miles WNW Carrollton IL
Overnight

Low: 33 °F
Mostly Clear
Monday

High: 53 °F
Mostly Sunny
Monday Night

Low: 35 °F
Chance
SprinklesTuesday

High: 61 °F
Mostly Sunny
Tuesday Night

Low: 40 °F
Partly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Wednesday Night

Low: 58 °F
Mostly Clear
Thursday
High: 88 °F
Sunny then
Slight Chance
T-stormsThursday Night

Low: 40 °F
Showers
Likely
Detailed Forecast
Overnight
Mostly clear, with a low around 33. North wind around 13 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 53. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
A chance of sprinkles after 2am. Mostly cloudy, with a low around 35. Southeast wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 61. Southeast wind 8 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 40. South wind around 7 mph.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Friday
A chance of rain showers, mixing with snow after 10am, then gradually ending. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Partly sunny, with a high near 62.
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)
2:51 am CDT Mar 23, 2026
3am CDT Mar 23, 2026-6pm CDT Mar 29, 2026



