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.

A heat advisory continued Thursday for much of the Chicago area, with high temperatures in the 90s and peak heat index values between 105 and 110 degrees possible. But incoming showers and storms from the east by afternoon were expected to bring relief from the sweltering heat wave,

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.

After a spell of rain and cooler weather, high temperatures will roll across Chicago and the suburbs later this week. Dangerously high heat and humidity are forecast for Wednesday and Thursday, with the National Weather Service issuing a extreme heat watch early Monday.

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.

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

Chicago's in for a scorcher. An Extreme Heat Watch is in effect Wednesday through Thursday. Here's how to stay safe.

The heat index is expected to hit 105 to 115 degrees in the metro area on Wednesday. The setting sun won't provide much relief — temperatures will likely remain above 90 degrees into the evening hours.