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August and Meteorological Summer 2026 Climate Summaries

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

82°F

28°C

Humidity	74%
Wind Speed	Calm
Barometer	29.89 in (1010.9 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	5 Sep 1:53 am CDT

More Information:

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

Extended Forecast for

6 Miles ENE Evergreen Park IL

Overnight
Low: 76 °F
Slight Chance
T-storms and
Patchy Fog
Saturday
High: 78 °F
Patchy Fog
then Mostly
Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
Sunday
High: 75 °F
Sunny
Sunday Night
Low: 65 °F
Mostly Clear
Labor Day
High: 76 °F
Mostly Sunny
Monday Night
Low: 66 °F
Partly Cloudy
Tuesday
High: 88 °F
Mostly Sunny
Tuesday Night
Low: 74 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, partly cloudy, with a steady temperature around 76. West southwest wind around 5 mph becoming calm.

Saturday

Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. North northeast wind 5 to 15 mph.

Saturday Night

Partly cloudy, with a low around 67. North northeast wind 5 to 15 mph.

Sunday

Sunny, with a high near 75. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night

Mostly clear, with a low around 65. Northeast wind 5 to 10 mph becoming southeast after midnight.

Labor Day

Mostly sunny, with a high near 76.

Monday Night

Partly cloudy, with a low around 66.