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

17°F

-8°C

Humidity 88%
Wind Speed E 3 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 14°F (-10°C)
Visibility 8.00 mi
Last update 2 Dec 11:54 pm CST
Extended Forecast for

5 Miles SE Fieldon IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. South wind around 6 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 38. South wind around 7 mph becoming northwest in the afternoon.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. North wind 7 to 10 mph.

    Low: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 20. North wind 5 to 8 mph becoming calm in the afternoon.

    High: 20 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10. Calm wind becoming south around 5 mph after midnight.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. South wind around 6 mph.
Wednesday
A 50 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 38. South wind around 7 mph becoming northwest in the afternoon.
Wednesday Night
A 50 percent chance of snow, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. North wind 7 to 10 mph.
Thursday
Sunny and cold, with a high near 20. North wind 5 to 8 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 10. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A slight chance of snow before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 32.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Fieldon IL
 39.05°N 90.44°W (Elev. 594 ft)
Last Update:
9:56 pm CST Dec 2, 2025
Forecast Valid:
12am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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