National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Mostly Cloudy

33°F

1°C

Humidity 48%
Wind Speed S 17 G 35 mph
Barometer 29.60 in (1003.3 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 24 Feb 12:52 pm CST
Extended Forecast for

Saint Charles IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 40. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 40 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 23. Southwest wind around 15 mph becoming west northwest in the evening.

    Low: 23 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. West northwest wind around 5 mph becoming north after midnight.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. North wind 5 to 10 mph becoming south in the morning.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Breezy.

    High: 57 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow after noon. Mostly cloudy, with a high near 41.

    High: 41 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Cloudy, with a high near 40. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tonight
A 20 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 23. Southwest wind around 15 mph becoming west northwest in the evening.
Wednesday
Sunny, with a high near 34. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 20. West northwest wind around 5 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 41. North wind 5 to 10 mph becoming south in the morning.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 57. Breezy.
Friday Night
Partly cloudy, with a low around 29.
Saturday
A chance of snow after noon. Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A chance of snow. Partly sunny, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21.
Monday
Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.9°N 88.32°W
Last Update:
1:01 pm CST Feb 24, 2026
Forecast Valid:
1pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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