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

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

73°F

23°C

Humidity 81%
Wind Speed W 6 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 67°F (19°C)
Visibility 8.00 mi
Last update 12 Jul 11:52 pm CDT
Extended Forecast for

Saint Charles IL

  • Overnight

    Overnight: Mostly clear, with a low around 63. Northwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. West wind around 5 mph, with gusts as high as 10 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 83. West wind around 5 mph, with gusts as high as 10 mph.
Sunday Night
Mostly clear, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.9°N 88.32°W
Last Update:
7:41 pm CDT Jul 12, 2025
Forecast Valid:
12am CDT Jul 13, 2025-6pm CDT Jul 19, 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