Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

32°F

0°C

Humidity 75%
Wind Speed E 6 mph
Barometer 30.15 in (1021.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 2 Feb 11:54 pm CST
Extended Forecast for

3 Miles E Elsah IL

  • Overnight

    Overnight: A 20 percent chance of snow after 3am.  Cloudy, with a low around 28. Northeast wind around 7 mph.

    Low: 28 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow and freezing rain before 9am, then a slight chance of freezing rain between 9am and 10am.  Mostly cloudy, with a high near 33. North wind 8 to 10 mph.  Chance of precipitation is 30%.

    High: 33 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. North wind 5 to 7 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. North wind 3 to 6 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. Light and variable wind.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow after 3am. Cloudy, with a low around 28. Northeast wind around 7 mph.
Tuesday
A chance of snow and freezing rain before 9am, then a slight chance of freezing rain between 9am and 10am. Mostly cloudy, with a high near 33. North wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 18. North wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 30. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 16. Light and variable wind.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 32.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Elsah IL
 38.95°N 90.3°W (Elev. 449 ft)
12:26 am CST Feb 3, 2026
12am CST Feb 3, 2026-6pm CST Feb 9, 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