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

47°F

8°C

Humidity 42%
Wind Speed N 7 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 Mar 10:54 pm CDT
Extended Forecast for

5 Miles SE Eldred IL

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Calm wind becoming northeast around 6 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. South wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 67. Breezy, with a south wind 17 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Chance Rain
    then Showers

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow. Some thunder is also possible. Low around 19. Blustery, with a west wind 21 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Rain/Snow and
    Breezy then
    Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 26. Blustery.

    High: 26 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Calm wind becoming northeast around 6 mph after midnight.
Saturday
Mostly sunny, with a high near 60. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 51. South wind 11 to 15 mph, with gusts as high as 28 mph.
Sunday
Rain, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 67. Breezy, with a south wind 17 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then snow. Some thunder is also possible. Low around 19. Blustery, with a west wind 21 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 26. Blustery.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Eldred IL
 39.22°N 90.49°W (Elev. 630 ft)
Last Update:
11:46 pm CDT Mar 13, 2026
Forecast Valid:
11pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation