The National Weather Service issued a flash flood warning for Chicago, urging 600,000 residents to take precautions. More rain is expected overnight, with storms anticipated Saturday afternoon. Residents were seen wading through knee-deep water amid the severe weather disruptions.

The powerful storms also led to ground stops at O'Hare and Midway, and may have even played a role in a gas station explosion near Chicago.

Torrential rains nearing 5 inches in just a few hours led to flash flooding across parts of Chicago on Friday afternoon, snarling both traffic on the ground and in the air.

Chicago faced severe flooding, funnel clouds, and Con Friday, with more storms expected Saturday, capping a week of intense weather and power outages.

A line of fast-moving storms prompted severe thunderstorm warnings in the Chicago area and ground stops at O'Hare and Midway airports. There were also reports of storm damage.

Temperatures are expected to soar between 92 and 97 degrees. High humidity will make it feel more like 105 to 115 degrees, the weather service said.

Chicagoans are stepping up to help one another during another heat wave in the city. The temperature reached 94 degrees Wednesday, with a heat index of 105, according to the National Weather Service. An extreme heat warning is in effect through much of Thursday, when temperatures are forecast at a high of 94 and a heat index of 103.

Chicago faces a Heat Advisory with temperatures reaching 95°F and a heat index of 100-110°F until 10 p.m. Thursday.

The Chicago area has felt less of an impact from the Trump administration’s National Weather Service cuts than offices in the Quad Cities and downstate Lincoln.

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.