Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

65°F

18°C

Humidity 81%
Wind Speed Calm
Barometer 29.82 in (1009.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 10 Mar 12:54 am CDT
Extended Forecast for

2 Miles SSE Brussels IL

  • Overnight

    Overnight: Mostly clear, with a low around 60. South wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am.  Low around 51. Southwest wind 13 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 51 °F

    Slight Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of rain after 2pm.  Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 100%.

    High: 67 °F

    T-storms then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. South wind 6 to 8 mph.
Tuesday
Sunny, with a high near 84. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 51. Southwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of rain after 2pm. Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Partly cloudy, with a low around 32. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 45. Breezy.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 47.
Sunday
Rain likely. Cloudy, with a high near 61. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Brussels IL
 38.94°N 90.56°W (Elev. 486 ft)
1:25 am CDT Mar 10, 2026
1am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database