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Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Fair

82°F

28°C

Humidity 82%
Wind Speed SW 14 mph
Barometer 29.90 in (1011.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 30 Jun 12:53 am CDT
Extended Forecast for

Chicago IL

Extreme Heat Warning June 30, 01:32am until July 1, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 01:32am until July 1, 10:00pm

    NOW until 10:00pm Wed

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly 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 79. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 104. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

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

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92.

    High: 92 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 78. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly 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 79. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 104. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 79. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Independence Day
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
1:21 am CDT Jun 30, 2026
Forecast Valid:
1am CDT Jun 30, 2026-6pm CDT Jul 6, 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