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

61°F

16°C

Humidity 34%
Wind Speed SE 16 G 26 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 6 Nov 10:54 am CST
Extended Forecast for

Fieldon IL

  • Today

    Today: Increasing clouds, with a high near 63. Southeast wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of rain and thunderstorms before 3am, then a slight chance of rain between 3am and 5am. Increasing clouds, with a low around 53. Southeast wind 10 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 70. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. West wind 5 to 7 mph becoming calm after midnight.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Partly sunny, with a high near 64. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 63. Southeast wind 13 to 15 mph, with gusts as high as 25 mph.
Tonight
A chance of rain and thunderstorms before 3am, then a slight chance of rain between 3am and 5am. Increasing clouds, with a low around 53. Southeast wind 10 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 70. West wind 9 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 43. West wind 5 to 7 mph becoming calm after midnight.
Saturday
A 30 percent chance of rain after noon. Partly sunny, with a high near 64. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 31.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 27.
Veterans Day
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fieldon IL
 39.11°N 90.49°W (Elev. 640 ft)
Last Update:
10:41 am CST Nov 6, 2025
Forecast Valid:
11am CST Nov 6, 2025-6pm CST Nov 12, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation