Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

85°F

29°C

Humidity 33%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1017.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 1 Oct 4:54 pm CDT
Extended Forecast for

Elsah IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. East wind 3 to 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm  after midnight.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. East wind 3 to 5 mph.
Thursday
Sunny, with a high near 89. Light and variable wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 62. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 87.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 63.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Elsah IL
 38.93°N 90.36°W (Elev. 407 ft)
4:16 pm CDT Oct 1, 2025
5pm CDT Oct 1, 2025-6pm CDT Oct 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database