National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

70°F

21°C

Humidity 18%
Wind Speed SW 6 mph
Barometer 29.62 in (1002.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 18 Feb 4:54 pm CST
Extended Forecast for

Golden Eagle IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southeast wind 5 to 10 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 70 °F

    Chance Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. West wind 13 to 18 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. West wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. North wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 19.

    Low: 19 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. Light and variable wind becoming southeast around 5 mph after midnight.
Thursday
A 30 percent chance of rain and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southeast wind 5 to 10 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.
Thursday Night
Mostly clear, with a low around 37. West wind 13 to 18 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 49. West wind 8 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 29. North wind around 6 mph.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 39.
Sunday Night
Clear, with a low around 19.
Monday
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Golden Eagle IL
 38.89°N 90.56°W (Elev. 548 ft)
Last Update:
5:11 pm CST Feb 18, 2026
Forecast Valid:
5pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation