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.

Overcast

43°F

6°C

Humidity 71%
Wind Speed NW 17 G 25 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Mar 5:54 pm CDT
Extended Forecast for

3 Miles SSE Golden Eagle IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 31 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 55. Light west wind becoming southwest 6 to 11 mph in the morning.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. South wind 10 to 18 mph, with gusts as high as 31 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61. West wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Northwest wind around 6 mph becoming northeast after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm, then rain after 1pm. High near 66. Breezy. Chance of precipitation is 80%.

    High: 66 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 55. Light west wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 44. South wind 10 to 18 mph, with gusts as high as 31 mph.
Friday
Partly sunny, with a high near 61. West wind 11 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 36. Northwest wind around 6 mph becoming northeast after midnight.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 66. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37. Breezy.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Golden Eagle IL
 38.85°N 90.53°W (Elev. 427 ft)
Last Update:
5:36 pm CDT Mar 11, 2026
Forecast Valid:
6pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation