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

43°F

6°C

Humidity 86%
Wind Speed N 8 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 31 Jan 7:54 pm CST
Extended Forecast for

Brussels IL

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 30. North wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Northeast wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. South wind 7 to 13 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. Southwest wind 5 to 10 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Light south wind.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 30. North wind 5 to 11 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 45. Northeast wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 39. South wind 7 to 13 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 63. Southwest wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 39. Light south wind.
Monday
Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 42.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 64.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 43.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Brussels IL
 38.96°N 90.59°W (Elev. 499 ft)
Last Update:
4:52 pm CST Jan 31, 2025
Forecast Valid:
8pm CST Jan 31, 2025-6pm CST Feb 7, 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