Nearly 1.9 inches of rain fell at O'Hare, with 3 to 4 inches reported in parts of southern Cook County into Lake County, Indiana, said the National Weather Service.

Severe storms are rolling through Chicagoland on Monday afternoon, resulting in several warnings and alerts from the National Weather Service.

A flood advisory remains in effect for northeast Illinois including Cook, DuPage, Kane and Will counties, weather officials said.

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.

Chicago anticipates a weekend heatwave with temperatures possibly reaching 92 degrees, alongside chances of showers and thunderstorms.