Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

78°F

26°C

Humidity 64%
Wind Speed N 5 mph
Barometer 30.03 in (1016.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Aug 4:54 pm CDT
Extended Forecast for

3 Miles E Elsah IL

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Northeast wind 3 to 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 85. Northeast wind 3 to 6 mph.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Light and variable wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. North wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Northeast wind 3 to 8 mph.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Northeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 66. Light and variable wind.
Saturday
Partly sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 59. North wind around 6 mph.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Elsah IL
 38.95°N 90.3°W (Elev. 449 ft)
4:26 pm CDT Aug 21, 2025
5pm CDT Aug 21, 2025-6pm CDT Aug 28, 2025
 
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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