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Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Partly Cloudy

77°F

25°C

Humidity 60%
Wind Speed NE 12 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Aug 4:52 pm CDT
Extended Forecast for

Saint Charles IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 60. Northeast wind 5 to 10 mph becoming light north northeast in the evening.

    Low: 60 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. Calm wind becoming west southwest around 5 mph after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 60. Northeast wind 5 to 10 mph becoming light north northeast in the evening.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 64. Calm wind becoming west southwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 81. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 54. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.93°N 88.32°W
Last Update:
4:12 pm CDT Aug 21, 2025
Forecast Valid:
5pm CDT Aug 21, 2025-6pm CDT Aug 28, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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