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.

Fair

49°F

9°C

Humidity 77%
Wind Speed NE 7 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 May 12:52 am CDT
Extended Forecast for

Saint Charles IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. East northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 68. East wind around 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 53. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. North northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 54. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. East northeast wind around 10 mph, with gusts as high as 15 mph.
Friday
Mostly cloudy, with a high near 68. East wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 53. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, with a high near 72. North northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 54. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 55.
Memorial Day
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A chance of showers. Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.93°N 88.32°W
Last Update:
1:21 am CDT May 22, 2026
Forecast Valid:
1am CDT May 22, 2026-6pm CDT May 28, 2026
 
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