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

81°F

27°C

Humidity 79%
Wind Speed S 6 mph
Barometer 29.90 in (1011.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 4 Sep 2:53 am CDT
Extended Forecast for

2 Miles NNW Chicago IL

Heat Advisory September 4, 03:21am until September 4, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 03:21am until September 4, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • Overnight

    Low: 76 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms between 10am and noon. Mostly sunny, with a high near 94. Heat index values as high as 103. West wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: 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: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph becoming north northeast in the morning. Winds could gust as high as 15 mph.

    High: 82 °F

    Slight Chance
    T-storms then
    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.

    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

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 76. Southwest wind around 5 mph.
Friday
A slight chance of showers and thunderstorms between 10am and noon. Mostly sunny, with a high near 94. Heat index values as high as 103. West wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Friday Night
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
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph becoming north northeast in the morning. 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.
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. Partly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms. 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 NNW Chicago IL
 41.84°N 87.68°W
Last Update:
2:56 am CDT Sep 4, 2026
Forecast Valid:
3am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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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