Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
56°F
13°C
| Humidity | 97% |
| Wind Speed | E 7 mph |
| Barometer | 29.73 in (1006.4 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 4.00 mi |
| Last update | 28 Dec 12:54 am CST |
Extended Forecast for
Kane ILSimilar City Names
Overnight

Low: 60 °F
Chance
ShowersSunday
High: 65 °F⇓
Chance
T-storms then
Showers
Likely and
BreezySunday Night

Low: 17 °F
Decreasing
Clouds and
BreezyMonday

High: 26 °F
Partly Sunny
and BreezyMonday Night

Low: 14 °F
Mostly Clear
Tuesday

High: 31 °F
Mostly Sunny
Tuesday Night

Low: 24 °F
Partly Cloudy
Wednesday

High: 41 °F
Mostly Sunny
Wednesday Night

Low: 23 °F
Mostly Cloudy
Detailed Forecast
Overnight
A chance of showers, with thunderstorms also possible after 3am. Cloudy, with a steady temperature around 60. South wind around 10 mph. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms likely, mainly before 3pm. Cloudy, with a temperature rising to near 65 by 11am, then falling to around 46 during the remainder of the day. Breezy, with a south wind 10 to 15 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 17. Breezy, with a west wind 25 to 28 mph, with gusts as high as 40 mph.
Monday
Partly sunny, with a high near 26. Breezy, with a northwest wind 18 to 25 mph, with gusts as high as 38 mph.
Monday Night
Mostly clear, with a low around 14. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 23.
New Year's Day
Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Mostly cloudy, with a high near 44.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Kane ILSimilar City Names
39.2°N 90.35°W (Elev. 551 ft)
39.2°N 90.35°W (Elev. 551 ft)
10:51 pm CST Dec 27, 2025
1am CST Dec 28, 2025-6pm CST Jan 3, 2026



