National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

33°F

1°C

Humidity 54%
Wind Speed NW 8 mph
Barometer 30.39 in (1029.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 27 Nov 9:54 pm CST
Extended Forecast for

2 Miles SW Brussels IL

Winter Storm Watch November 29, 12:00am until November 30, 12:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Clear, with a low around 20. Northwest wind 5 to 7 mph.

    Low: 20 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 37. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of rain and snow between 10pm and 1am, then snow. Low around 30. Southeast wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Saturday

    Saturday: Snow before noon, then rain and snow. High near 36. Southeast wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely, mixing with snow after 9pm, then gradually ending. Cloudy, with a low around 24. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 24 °F

    Rain/Snow
    Likely then
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Tonight
Clear, with a low around 20. Northwest wind 5 to 7 mph.
Friday
Increasing clouds, with a high near 37. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
A chance of rain and snow between 10pm and 1am, then snow. Low around 30. Southeast wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Saturday
Snow before noon, then rain and snow. High near 36. Southeast wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Rain likely, mixing with snow after 9pm, then gradually ending. Cloudy, with a low around 24. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
Mostly cloudy, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26.
Monday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Brussels IL
 38.92°N 90.62°W (Elev. 502 ft)
Last Update:
9:31 pm CST Nov 27, 2025
Forecast Valid:
10pm CST Nov 27, 2025-6pm CST Dec 4, 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