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

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 29.92 in (1012.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 4 Sep 6:53 am CDT
Extended Forecast for

2 Miles NW Chicago IL

Heat Advisory September 4, 07:54am until September 4, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 07:54am until September 4, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • Today

    High: 95 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between midnight and 4am. Partly cloudy, with a low around 75. West southwest wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Northwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. East wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 10am and noon. Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between midnight and 4am. Partly cloudy, with a low around 75. West southwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 83. Northwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 69. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 79. East wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 85.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 72.
Wednesday
A chance of showers. Partly sunny, with a high near 88.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 71.
Thursday
Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Chicago IL
 41.86°N 87.71°W
Last Update:
7:36 am CDT Sep 4, 2026
Forecast Valid:
7am CDT Sep 4, 2026-6pm CDT Sep 10, 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