Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

27°F

-3°C

Humidity 69%
Wind Speed N 10 mph
Barometer 30.31 in (1026.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 4 Feb 1:54 am CST
Extended Forecast for

Rockbridge IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 15. North wind 3 to 5 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. North wind 5 to 7 mph.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. North wind around 5 mph becoming calm  in the evening.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 38. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. South wind 6 to 9 mph becoming west after midnight.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 15. North wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 30. North wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 12. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 38. Light southwest wind increasing to 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 27. South wind 6 to 9 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 26.
Monday
Mostly sunny, with a high near 49.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockbridge IL
 39.26°N 90.2°W (Elev. 509 ft)
12:26 am CST Feb 4, 2026
2am CST Feb 4, 2026-6pm CST Feb 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database