Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

31°F

-1°C

Humidity 82%
Wind Speed E 8 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 2 Feb 7:54 pm CST
Extended Forecast for

Rockbridge IL

  • Tonight

    Tonight: A 20 percent chance of snow after 3am.  Cloudy, with a low around 27. Northeast wind 3 to 6 mph.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow before 9am.  Mostly cloudy, with a high near 31. North wind 6 to 10 mph.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 12. North wind around 6 mph becoming calm  in the evening.

    Low: 12 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Calm wind becoming north around 6 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of snow after 3am. Cloudy, with a low around 27. Northeast wind 3 to 6 mph.
Tuesday
A 20 percent chance of snow before 9am. Mostly cloudy, with a high near 31. North wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 12. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 29. Calm wind becoming north around 6 mph.
Wednesday Night
Mostly clear, with a low around 12. Calm wind.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockbridge IL
 39.26°N 90.2°W (Elev. 509 ft)
7:57 pm CST Feb 2, 2026
8pm CST Feb 2, 2026-6pm CST Feb 9, 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