Dangerous heat wave blankets the country

Millions across the U.S. are prepared to endure what could be the most dangerous heat wave in years, with temperatures rising to the triple digits.
3:01 | 07/18/19

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Transcript for Dangerous heat wave blankets the country
we have a summer scorcher out there, 32 states on alert and it's not just the heat, the humidity is making it so unbearable for millions. You're right about that, Amy. Let's look at the heat index map showing how hot it's going to get. ABC's Alex Perez is starting us off. He's there in Chicago where it will feel like 100 degrees today. 116 by tomorrow, Alex? Good morning. Reporter: Yeah, that's right, it is going to be hot. The heat is making getting around harder. The metro trains that run along these lines will be moving slower because the excessive heat makes those steel tracks expand creating problems. It's going to be a rough few days for a big part of the country. This morning, the heat is on as millions prepare to suffer through what could be the most dangerous heat wave in years. Temperatures rising into triple digit thes also causing roads to crack open in Kansas. And hospitalizing seven children in Connecticut all of them suffering from dehydration and heat exhaustion at a summer camp carnival. Some areas in the northeast bracing for temps to feel almost as hot as death valley. It is too hot to be standing here. Reporter: In the upper midwest Milwaukee setting up cooling stations. Here in Chicago, in 1995 a heat wave killed more than 700 now emergency rooms are gearing up for an influx of heat-related emergencies. So if someone comes in and we think it's heatstroke, four, six of us will put the individual into this ice bucket for about 10 to 15 minutes to get their body temperature down as fast as possible. Reporter: Dangerous temperatures hitting people who work outside the hardest. Like roofer John weidel who faces long hours exposed to the sun. Can be a lot hotter up there with the direct sun beating down on us. Reporter: Even with the excessive heat authorities say you must limit your time outside. The emergency room doctor I talked to says if you're drinking water and staying hydrated you can still fall victim to heatstroke or heat they say the key thing is to make sure that you stay out of the heat and somewhere cool. Robin. All to keep in mind, Alex, thank you. To ginger now with the timing and track for this heat. Good morning, ginger. Good morning to you, robin. New York City has not seen a 100-degree temperature in seven years. I think we will get very close on Saturday. It's been six years since it was 98 degrees and I think we're going to do that. Some. Hottest air we've seen in more than half a decade, 111 the feels like in Des Moines this afternoon. Kansas City, 114. We circled the core of the heat. That slides east tomorrow. Chicago gets it, Detroit, Louisville, of course, paducah will be included. Watch this because it all moves east through the weekend tracking the core of the heat because Saturday is when it settles in. Sunday it doesn't let up much. Temperatures in the mid to upper 90s in the northeast but will feel like well over 100 and finally get a break by early next week and much cooler and drier. Thank goodness for that. We move to president trump

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