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August and Meteorological Summer 2026 Climate Summaries

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

82°F

28°C

Humidity	77%
Wind Speed	E 14 mph
Barometer	29.98 in (1013.9 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	4 Sep 9:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

7 Miles SE Lincolnwood IL

Heat Advisory September 4, 10:13am until September 4, 10:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 4, 10:13am until September 4, 10:00pm
NOW until 10:00pm Fri
Heat Advisory
Today
High: 90 °F
Slight Chance
T-storms then
Mostly Sunny
Tonight
Low: 74 °F
Chance
T-storms
Saturday
High: 79 °F
Partly Sunny
Saturday Night
Low: 69 °F
Partly Cloudy
Sunday
High: 76 °F
Mostly Sunny
Sunday Night
Low: 67 °F
Partly Cloudy
Labor Day
High: 78 °F
Mostly Sunny
Monday Night
Low: 69 °F
Mostly Cloudy

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 90. Heat index values as high as 98. Northeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between midnight and 4am. Partly cloudy, with a low around 74. West wind around 5 mph.

Saturday

Partly sunny, with a high near 79. 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 10 to 15 mph.

Sunday

Mostly sunny, with a high near 76. East northeast wind around 10 mph.

Sunday Night

Partly cloudy, with a low around 67.

Labor Day

Mostly sunny, with a high near 78.