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.

Overcast

27°F

-3°C

Humidity 66%
Wind Speed W 18 G 30 mph
Barometer 30.27 in (1025.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 30 Nov 4:54 am CST
Extended Forecast for

5 Miles SSW Fieldon IL

  • Today

    Today: Increasing clouds, with a high near 27. Northwest wind 8 to 16 mph, with gusts as high as 29 mph.

    High: 27 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 20 °F

    Cloudy

  • Monday

    Monday: Snow likely after noon. Cloudy, with a high near 29. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 29 °F

    Cloudy then
    Snow Likely

  • Monday Night

    Monday Night: Snow likely before midnight. Mostly cloudy, with a low around 18. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Snow Likely
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. Light and variable wind becoming west around 6 mph.

    High: 31 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 27. Northwest wind 8 to 16 mph, with gusts as high as 29 mph.
Tonight
Cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Snow likely after noon. Cloudy, with a high near 29. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
Snow likely before midnight. Mostly cloudy, with a low around 18. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday
Partly sunny, with a high near 31. Light and variable wind becoming west around 6 mph.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 10.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 31.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Fieldon IL
 39.05°N 90.55°W (Elev. 502 ft)
Last Update:
4:41 am CST Nov 30, 2025
Forecast Valid:
5am CST Nov 30, 2025-6pm CST Dec 6, 2025
 
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