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

32°F

0°C

Humidity 75%
Wind Speed E 6 mph
Barometer 30.15 in (1021.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 2 Feb 11:54 pm CST
Extended Forecast for

2 Miles E Fieldon IL

  • Overnight

    Overnight: A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Cloudy, with a low around 28. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Wintry Mix

  • Tuesday

    Tuesday: A slight chance of snow before 7am, then a slight chance of freezing rain between 7am and 9am. Mostly cloudy, with a high near 31. North wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Wintry Mix
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17. North wind around 6 mph.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. North wind 3 to 6 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. Calm wind becoming southwest around 5 mph after midnight.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Cloudy, with a low around 28. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow before 7am, then a slight chance of freezing rain between 7am and 9am. Mostly cloudy, with a high near 31. North wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 17. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 30. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 15. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 32.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 22.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Fieldon IL
 39.11°N 90.47°W (Elev. 640 ft)
Last Update:
10:06 pm CST Feb 2, 2026
Forecast Valid:
12am CST Feb 3, 2026-6pm CST Feb 9, 2026
 
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