Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
81°F
27°C
| Humidity | 47% |
| Wind Speed | SW 18 G 30 mph |
| Barometer | 29.79 in (1008.2 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 26 Mar 10:54 am CDT |
Extended Forecast for
4 Miles SW Carrollton IL
Today
High: 91 °F
Sunny and
BreezyTonight
Low: 37 °F
Breezy.
T-storms
Likely then
T-stormsFriday
High: 52 °F
Decreasing
CloudsFriday Night
Low: 29 °F
Mostly Clear
Saturday
High: 54 °F
Sunny
Saturday Night
Low: 41 °F
Mostly Cloudy
Sunday
High: 66 °F
Partly Sunny
Sunday Night
Low: 54 °F
Partly Cloudy
Monday
High: 81 °F
Slight Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 91. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 31 mph.
Tonight
Rain and thunderstorms before 3am, then rain likely and possibly a thunderstorm between 3am and 4am, then a chance of rain after 4am. Low around 37. Breezy, with a southwest wind 10 to 15 mph becoming north 18 to 23 mph in the evening. Winds could gust as high as 36 mph. Chance of precipitation is 100%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 52. North wind 16 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 29. North wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 54. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 81.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 60.
Wednesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Carrollton IL
39.25°N 90.46°W (Elev. 600 ft)
39.25°N 90.46°W (Elev. 600 ft)
10:31 am CDT Mar 26, 2026
11am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
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