On one of the hottest days amid the extreme heat, some pavement in Wheeling, Illinois, buckled because of it, causing part of the road to be closed for repairs The dangerous temperatures also brought out Chicago paramedics, firefighters, and local volunteers who are working around the clock to respond to heat-related emergencies. As temperatures soar, something as simple as a bottle of water can make all the difference. Volunteers with Englewood First Responders know that firsthand.