Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Light Snow Fog/Mist

24°F

-4°C

Humidity 91%
Wind Speed Calm
Barometer 30.10 in (1019.8 mb)
Dewpoint 22°F (-6°C)
Visibility 2.00 mi
Last update 1 Dec 7:54 pm CST
Extended Forecast for

4 Miles WSW Foley MO

Winter Weather Advisory December 1, 08:21pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 1, 08:21pm until December 2, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 16 °F

    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Northwest wind around 5 mph becoming light and variable  in the afternoon.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. South wind 3 to 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. South wind around 6 mph becoming northwest in the afternoon.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 8. North wind 6 to 10 mph.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 19.

    High: 19 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow, mainly before 10pm. Low around 16. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 27. Northwest wind around 5 mph becoming light and variable in the afternoon.
Tuesday Night
Partly cloudy, with a low around 20. South wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 37. South wind around 6 mph becoming northwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 8. North wind 6 to 10 mph.
Thursday
Sunny and cold, with a high near 19.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly cloudy, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Foley MO
 39.03°N 90.81°W (Elev. 699 ft)
8:01 pm CST Dec 1, 2025
8pm CST Dec 1, 2025-6pm CST Dec 8, 2025
 
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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