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Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
20°F
-7°C
| Humidity | 55% |
| Wind Speed | NW 14 mph |
| Barometer | 30.50 in (1033.5 mb) |
| Dewpoint | 6°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 7°F (-14°C) |
| Last update | 31 Jan 2:54 pm CST |
Extended Forecast for
Rockbridge IL
Tonight

Low: 0 °F
Mostly Clear
Sunday
High: 26 °F
Partly Sunny
then Chance
SnowSunday Night

Low: 17 °F
Mostly Cloudy
Monday

High: 35 °F
Partly Sunny
Monday Night

Low: 21 °F
Mostly Cloudy
Tuesday

High: 30 °F
Slight Chance
SnowTuesday Night

Low: 11 °F
Partly Cloudy
Wednesday

High: 27 °F
Mostly Sunny
Wednesday Night

Low: 9 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 0. Northwest wind around 6 mph becoming light and variable in the evening.
Sunday
A 30 percent chance of snow, mainly between noon and 4pm. Increasing clouds, with a high near 26. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 17. South wind around 6 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 35. West wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 21. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Rockbridge IL
39.26°N 90.2°W (Elev. 509 ft)
39.26°N 90.2°W (Elev. 509 ft)
3:16 pm CST Jan 31, 2026
3pm CST Jan 31, 2026-6pm CST Feb 7, 2026


