Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fog

46°F

8°C

Humidity 96%
Wind Speed SE 10 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 45°F (7°C)
Visibility 0.50 mi
Wind Chill41°F (5°C)
Last update 27 Dec 5:54 am CST
Extended Forecast for

Fieldon IL

Dense Fog Advisory December 27, 06:03am until December 27, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 27, 06:03am until December 27, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Today

    High: 61 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 1am.  Cloudy, with a low around 57. South wind 8 to 10 mph.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Temperature rising to near 67 by 11am, then falling to around 50 during the remainder of the day. South wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 80%.

    High: 67 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 9pm.  Cloudy, then gradually becoming partly cloudy, with a low around 18. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 30%.

    Low: 18 °F

    Breezy.
    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 25. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 38 mph.

    High: 25 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, mostly cloudy, with a high near 61. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 57. South wind 8 to 10 mph.
Sunday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Temperature rising to near 67 by 11am, then falling to around 50 during the remainder of the day. South wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 25. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 38 mph.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Mostly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Fieldon IL
 39.11°N 90.49°W (Elev. 640 ft)
4:41 am CST Dec 27, 2025
6am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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