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

46°F

8°C

Humidity 71%
Wind Speed Calm
Barometer 29.88 in (1011.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 8 Mar 9:54 pm CDT
Extended Forecast for

3 Miles SE Golden Eagle IL

  • Tonight

    Tonight: Clear, with a low around 46. South wind around 7 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 78. South wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. South wind around 8 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Increasing clouds, with a high near 83. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 50. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    Low: 50 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 65. Breezy. Chance of precipitation is 100%.

    High: 65 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 46. South wind around 7 mph.
Monday
Sunny, with a high near 78. South wind 6 to 16 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 60. South wind around 8 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Increasing clouds, with a high near 83. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 50. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Wednesday
Showers and possibly a thunderstorm. High near 65. Breezy. Chance of precipitation is 100%.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 59.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
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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:
6:16 pm CDT Mar 8, 2026
Forecast Valid:
10pm CDT Mar 8, 2026-6pm CDT Mar 15, 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