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.

Fair

51°F

11°C

Humidity 74%
Wind Speed SW 7 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 5 Nov 6:54 am CST
Extended Forecast for

5 Miles SSW Carrollton IL

  • Today

    Today: Sunny, with a high near 68. West wind 8 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 36. North wind around 6 mph becoming light and variable in the evening.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Light east wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 52. Southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 70. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Slight Chance
    Rain then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 68. West wind 8 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Tonight
Clear, with a low around 36. North wind around 6 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 63. Light east wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 52. Southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 70. West wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 40.
Saturday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 64.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 25.
Veterans Day
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Carrollton IL
 39.22°N 90.46°W (Elev. 600 ft)
Last Update:
6:31 am CST Nov 5, 2025
Forecast Valid:
7am CST Nov 5, 2025-6pm CST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation