Severe thunderstorms put on a light show over the skies of Chicago Monday night, while drowning parts of the city in flash flooding below.

The National Weather Service has issued a flood watch in effect until 4 a.m. Tuesday. Residents are urged to reduce water use to ease pressure on the sewer system. City Council members on the Southwest Side call on the mayor to speed flood response.

Most of the Chicago area is at a “slight” risk of severe weather, with a severe thunderstorm watch issued Monday. Here's how things will unfold.

A flash flood watch is in effect until midnight Wednesday in Cook, DuPage and Will counties, plus some parts of northwest Indiana, the National Weather Service said.

The National Weather Service (NWS) issued a flash flood warning for key parts of Chicago on Friday, urging approximately 600,000 residents to take immediate action to protect life and property.

A Flash Flood Watch is in effect across parts of Chicagoland as more heavy rain could hit this afternoon and tonight.

It’s been no rest for the weary in the Windy City this summer, which has faced multiple damaging flooding events just since the start of July.

CBS News Meteorologist Kylee Miller says we still can't rule out having an isolated storm pop up during the afternoon.