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.

Overcast

68°F

20°C

Humidity 70%
Wind Speed N 7 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 27 Jun 11:53 pm CDT
Extended Forecast for

Alsip IL

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

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 75. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Heat index values as high as 103. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Tuesday Night

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

    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. Northeast wind around 5 mph, with gusts as high as 10 mph.
Sunday
Mostly sunny, with a high near 84. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 75. South southeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 93. Heat index values as high as 103. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 78.
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 95.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alsip IL
 41.69°N 87.75°W
Last Update:
9:51 pm CDT Jun 27, 2026
Forecast Valid:
12am CDT Jun 28, 2026-6pm CDT Jul 4, 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