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.

Overcast

63°F

17°C

Humidity 76%
Wind Speed SW 8 mph
Barometer 29.64 in (1003.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Nov 4:54 am CST
Extended Forecast for

4 Miles WSW Godfrey IL

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. West wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 71 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. West wind 5 to 8 mph becoming calm after midnight.

    Low: 43 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 66 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 35. South wind 8 to 16 mph becoming northwest after midnight.

    Low: 35 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of rain before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Mostly sunny, with a high near 41. Northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. West wind 9 to 14 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 43. West wind 5 to 8 mph becoming calm after midnight.
Saturday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 35. South wind 8 to 16 mph becoming northwest after midnight.
Sunday
A slight chance of rain before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Mostly sunny, with a high near 41. Northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 27.
Veterans Day
Partly sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Godfrey IL
 38.93°N 90.25°W (Elev. 531 ft)
Last Update:
5:11 am CST Nov 7, 2025
Forecast Valid:
5am CST Nov 7, 2025-6pm CST Nov 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation