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

32°F

0°C

Humidity 52%
Wind Speed NW 9 mph
Barometer 30.30 in (1026.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 21 Feb 8:54 pm CST
Extended Forecast for

Eldred IL

  • Tonight

    Tonight: Mostly clear, with a low around 19. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 32 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 33. Northwest wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 23 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. Calm wind becoming south around 5 mph after midnight.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 19. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 13. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 33. Northwest wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Partly cloudy, with a low around 18. Calm wind becoming south around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eldred IL
 39.29°N 90.57°W (Elev. 430 ft)
Last Update:
8:21 pm CST Feb 21, 2026
Forecast Valid:
9pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation