National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Light Snow

38°F

3°C

Humidity 34%
Wind Speed W 12 G 22 mph
Barometer 30.37 in (1028.6 mb)
Dewpoint 12°F (-11°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 10 Nov 3:54 pm CST
Extended Forecast for

5 Miles N Grafton IL

  • Tonight

    Tonight: Increasing clouds, with a low around 24. West wind 5 to 7 mph becoming south after midnight.

    Low: 24 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Cloudy, then gradually becoming mostly sunny, with a high near 55. Southwest wind 8 to 17 mph, with gusts as high as 30 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38. West wind 6 to 9 mph.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Northwest wind 6 to 10 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 24. West wind 5 to 7 mph becoming south after midnight.
Veterans Day
Cloudy, then gradually becoming mostly sunny, with a high near 55. Southwest wind 8 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 38. West wind 6 to 9 mph.
Wednesday
Sunny, with a high near 62. Northwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 37. Light and variable wind.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 55.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 64.
Sunday Night
A 40 percent chance of rain. Partly cloudy, with a low around 42.
Monday
A 40 percent chance of rain. Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Grafton IL
 39.05°N 90.44°W (Elev. 594 ft)
Last Update:
3:16 pm CST Nov 10, 2025
Forecast Valid:
4pm CST Nov 10, 2025-6pm CST Nov 17, 2025
 
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Additional Resources

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