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

20°F

-7°C

Humidity 29%
Wind Speed W 15 G 18 mph
Barometer 30.41 in (1030.3 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 19 Jan 3:54 pm CST
Extended Forecast for

Golden Eagle IL

  • Tonight

    Tonight: Mostly clear, with a low around 13. West wind around 6 mph becoming light and variable in the evening.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Light south wind increasing to 5 to 10 mph in the morning.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 31. South wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 43. West wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 43 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23. Southwest wind 7 to 10 mph becoming northwest after midnight.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 17.

    High: 17 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 13. West wind around 6 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 38. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 31. South wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 43. West wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 23. Southwest wind 7 to 10 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly cloudy and cold, with a high near 17.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 13.
Saturday Night
A 30 percent chance of snow. Partly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly clear, with a low around 10.
Monday
Sunny, with a high near 34.
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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:
3:16 pm CST Jan 19, 2026
Forecast Valid:
5pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation