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

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Overcast

80°F

27°C

Humidity 74%
Wind Speed E 6 mph
Barometer 29.87 in (1011.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Jun 7:51 pm CDT
Extended Forecast for

Addison IL

Heat Advisory June 29, 12:00pm until July 1, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. East wind around 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 74 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. Heat index values as high as 104. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 74. East wind around 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 94. Heat index values as high as 104. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 78. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.
Friday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Independence Day
Mostly sunny, with a high near 93.
Saturday Night
A chance of showers. Partly cloudy, with a low around 72.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Addison IL
 41.94°N 87.99°W
Last Update:
8:06 pm CDT Jun 28, 2026
Forecast Valid:
8pm CDT Jun 28, 2026-6pm CDT Jul 5, 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