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

56°F

13°C

Humidity 30%
Wind Speed SW 8 mph
Barometer 30.15 in (1021.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Jan 3:54 pm CST
Extended Forecast for

3 Miles SE Golden Eagle IL

  • Tonight

    Tonight: Mostly clear, with a low around 35. Southwest wind 5 to 8 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 36. West wind 7 to 10 mph.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a temperature rising to near 41 by 11am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 33 mph.

    High: 41 °F⇓

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. North wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 35. Southwest wind 5 to 8 mph.
Tuesday
Increasing clouds, with a high near 61. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 36. West wind 7 to 10 mph.
Wednesday
Partly sunny, with a temperature rising to near 41 by 11am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 17. North wind 8 to 15 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Golden Eagle IL
 38.85°N 90.53°W (Elev. 427 ft)
Last Update:
3:16 pm CST Jan 12, 2026
Forecast Valid:
4pm CST Jan 12, 2026-6pm CST Jan 19, 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