Some took to social media after being shut out of nearby businesses during Sunday's rain delay.
Mayor says 150 workers were sent out to respond to 853 tree emergencies throughout the city.
About 4,400 residents still do not have power, Ald. Moore said, and city has started clean-up efforts.
There's a 40 percent chance of showers Saturday night, officials said.
Cupich said the church is working against climate change to preserve the Earth for future generations.
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