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

36°F

2°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Mar 5:54 am CDT
Extended Forecast for

3 Miles E Eldred IL

  • Today

    Today: Sunny, with a high near 66. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76. South wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 81. South wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 81 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 49. Chance of precipitation is 100%.

    Low: 49 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 1pm, then a chance of rain. High near 63. Breezy. Chance of precipitation is 90%.

    High: 63 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 1am. Mostly clear, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 43. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 76. South wind 9 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 58. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Rain likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 81. South wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 49. Chance of precipitation is 100%.
Wednesday
Rain and possibly a thunderstorm before 1pm, then a chance of rain. High near 63. Breezy. Chance of precipitation is 90%.
Wednesday Night
A slight chance of rain and snow before 1am. Mostly clear, with a low around 29. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Eldred IL
 39.29°N 90.49°W (Elev. 584 ft)
Last Update:
5:46 am CDT Mar 8, 2026
Forecast Valid:
6am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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