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

Extreme Heat and Excessive Rainfall This Week

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. In southwest Texas, excessive rainfall may bring a risk for potentially life-threatening flash and arroyo flooding through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

84°F

29°C

Humidity 61%
Wind Speed W 6 mph
Barometer 30.15 in (1020.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 13 Jul 7:52 pm CDT
Extended Forecast for

Glen Ellyn IL

  • Tonight

    Tonight: Clear, with a low around 73. West northwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. Heat index values as high as 99. West wind around 5 mph.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. West wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Heat index values as high as 100. West wind around 5 mph.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. West northwest wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 73. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 96. Heat index values as high as 99. West wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 74. West wind around 5 mph.
Wednesday
Sunny and hot, with a high near 96. Heat index values as high as 100. West wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 74. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 74.
Friday
A chance of showers after 1pm. Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 66.
Monday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glen Ellyn IL
 41.87°N 88.06°W
Last Update:
8:11 pm CDT Jul 13, 2026
Forecast Valid:
8pm CDT Jul 13, 2026-6pm CDT Jul 20, 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