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

91°F

33°C

Humidity 56%
Wind Speed SW 13 mph
Barometer 29.97 in (1013.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 1 Jul 12:53 pm CDT
Extended Forecast for

Chicago IL

Extreme Heat Warning July 1, 01:51pm until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 1, 01:51pm until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • This Afternoon

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Heat index values as high as 99. North northwest wind 10 to 15 mph becoming south southeast in the morning.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 4am. Partly cloudy, with a low around 74. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.

    Low: 72 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Independence Day

    Independence Day: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Heat index values as high as 98. Southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 75. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 93. Heat index values as high as 99. North northwest wind 10 to 15 mph becoming south southeast in the morning.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 4am. Partly cloudy, with a low around 74. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
Independence Day
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Mostly cloudy, with a low around 69.
Monday
Partly sunny, with a high near 85.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
1:21 pm CDT Jul 1, 2026
Forecast Valid:
1pm CDT Jul 1, 2026-6pm CDT Jul 7, 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