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

40°F

4°C

Humidity 89%
Wind Speed E 10 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Feb 12:54 am CST
Extended Forecast for

2 Miles SW Eldred IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. South wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. South wind 6 to 15 mph, with gusts as high as 31 mph.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain between 10pm and 3am. Cloudy during the early evening, then gradual clearing, with a low around 52. South wind 11 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 23 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. South wind 3 to 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Mostly clear, with a low around 34.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 62. South wind 6 to 15 mph, with gusts as high as 31 mph.
Tuesday Night
A slight chance of rain between 10pm and 3am. Cloudy during the early evening, then gradual clearing, with a low around 52. South wind 11 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 46. South wind 3 to 6 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 34.
Friday
Sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 43.
Saturday Night
A 20 percent chance of snow. Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Eldred IL
 39.25°N 90.57°W (Elev. 430 ft)
Last Update:
1:01 am CST Feb 17, 2026
Forecast Valid:
1am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation