Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

21°F

-6°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 30.39 in (1029.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 30 Dec 9:54 am CST
Extended Forecast for

Elsah IL

  • Today

    Today: Increasing clouds, with a high near 35. West wind 8 to 10 mph.

    High: 35 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Southwest wind 7 to 10 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. West wind 7 to 10 mph.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West wind around 6 mph becoming north after midnight.

    Low: 25 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 36. North wind around 6 mph becoming light and variable  in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 42.

    High: 42 °F

    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 35. West wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 27. Southwest wind 7 to 10 mph.
Wednesday
Partly sunny, with a high near 43. West wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 25. West wind around 6 mph becoming north after midnight.
New Year's Day
Mostly sunny, with a high near 36. North wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Elsah IL
 38.96°N 90.36°W (Elev. 492 ft)
8:16 am CST Dec 30, 2025
10am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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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