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September 1-4, 2026: Abnormally Hot and Humid Start to September

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

84°F

29°C

Humidity	41%
Wind Speed	S 9 G 18 mph
Barometer	30.06 in (1017.0 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	8 Sep 3:53 pm CDT

More Information:

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

Extended Forecast for

5 Miles NE Chicago IL

Tonight
Low: 72 °F
Mostly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 80 °F
Showers
Likely
Wednesday Night
Low: 69 °F
Mostly Cloudy
Thursday
High: 75 °F
Mostly Sunny
Thursday Night
Low: 63 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 84 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 68 °F
Chance
Showers

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. South southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

Wednesday

Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 80. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Mostly cloudy, with a low around 69. West wind 5 to 10 mph.

Thursday

Mostly sunny, with a high near 75. North wind around 10 mph.

Thursday Night

Mostly clear, with a low around 63. Northeast wind around 5 mph becoming east southeast after midnight.

Friday

Sunny, with a high near 76.

Friday Night

Mostly clear, with a low around 67.

Saturday

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.