Heat emergency forces cities to rework plans for holiday weekend

HOTTER AS MANY CITIES HAVE BUSY SCHEDULES IN THE DAYS AHEAD WITH. HAVE BUSY SCHEDULES IN THE DAYS AHEAD WITH WORLD D CUP AND JULY 4th. THE DAYS AHEAD WITH WORLD CUP AND JULY 4th CELEBRATIONS SACHLT. WORLD CUP AND JULY 4th CELEBRATIOIONS SACHLT BROCK HAS MORE ON HOW. CELEBRATIONS SACHLT BROCK HAS MOMORE ON HOW OFFICIALS ARE GETTING. BROCK HAS MORE ON HOW OFFICIALS ARE GETTING READY. READY. >> Reporter: TONIGHT A BRUTAL HEATWAVE IS. >> Reporter: TONIGHT A BRUTAL HEAEATWAVE IS BAKING RESIDENTS IN. BRUTAL HEATWAVE IS BAKING RESIDENTS IN. SO BIGGEST CITIES IN. SO BIGGEST CITIES IN AMERICA WITH BOSTON, PHILADELPHIA, AND NEW. AMERICA WITH BOSTON, PHILADELPHIA, AND NEW YORK DECLARING HEAT. PHILADELPHIA, AND NEW YORK DECLARING HEAT EMERGENCIES ALL. YORK DECLARING HEAT EMERERGENCIES ALL EXPECTING TO HIT. . EXPECTING TO HIT RECORD HIGHS. AT ONE OF NEW YORK. RECORD HIGHS. AT ONE OF F NEW YORK CITY'S BUSIEST. AT ONE OF F NEW YORK CITY'S BUSIEST TRANSPORTATION HUBS, CITY'S B BUSIEST TRANSPORTATION HUBS, PENN STATION, PORTABLE. PENN STATION, PORTABLE COOLERS WORKING OVERTIME TO KEEP. COOLERS WORKING OVERTIME TO KEEP TRAVELERS COMFORTABLE.

OVERTIME TO KEEP TRAVELERS COMFORTABLE. AMTRAK SAYS THE TRAINS. TRAVELERS COMFORTABLE. AMTRAK SAYS THE TRAINS MAY HAVE TO SLOW DOWN. AMTRAK SAYS THE TRAINS MAY HAVE TO SLOW DOWN DUE TO THE BLISTERING. MAY HAVE TO SLOW DOWN DUE TO THE BLISTERING TRACKS. TRACKS. MANY WITH NO CHOICE BUT TO BE OUT IN THE. MANY WITH NO CHOICE BUT TO BE OUT IN THE SCORCHING HEAT. BUT TO BE OUT IN THE SCORORCHING HEAT. >> HEAT, FROM. SCORCHING HEAT. . >> HEAT, FROM WORLD CUP FESTIVALS TO. >> HEAT, FROM WORLD CUP FESTIVIVALS TO PARADES LIKE. WORLD D CUP FESTIVALS TO PARADES LIKE PHILADELPHIA WHERE THE. PARADES LIKE PHILADELPHIA WHERERE THE JULY 4th ROUTE HAS. PHILADELPHIA WHERE THE JULY 4th ROUTE HAS BEEN CUT SHORTRT. BEEN CUT SHORT. >> WHEN TEMPERATURES ARE ABOVE 100, YOU. >> WHEN TEMPERATURES ARE ABOVE 100, Y YOU SHOULDN'T BE OUTSIDE.

SHOULDN'T BE OUTSIDE FOR MORE THAN 15 TO 30 MINUTETES AT A TIME. FOR MORE THAN 15 TO 30 MINUTES AT A A TIME. >> Reporter: THE. MINUTES AT A TIME. >> Reporter: THE UNRELELENTING HEAT. >> Reporter: THE UNRELELENTING HEAT SMOTHERING MUCH OF THE. ST. SMOTHERING MUCH OF THE COUNUNTRY WITH THE WORST YET TO COME. COUNTRY WITH THE WORST YET TO COME. >> SAM IS JOINING US. YET TO COME. >> SAM IS JOINING US NOW FROM MANHATTAN. >> SAM IS JOINING US NOW FRFROM MANHATTAN. SAM, YOU HEARD IT. SAM, YOU HEARD IT THERE. THESE KINDS OF. THERE. THESE KINDS OF TETEMPERATURES CAN BE. THESE KINDNDS OF TEMPERATURES CAN BE NOT JUST DANGEROUS BUT. TEMPERATURES CAN BE NOT JUST DANGEROUS B BUT POTENTIALLY DEADLY. POTENTIALLY DEADLY. >> Reporter: HALLIE, EVERY SINGLE YEAR. >> Reporter: HALLIE, EVERY Y SINGLE YEAR THERE ARE THOUSANDS OF. THERE ARE THOUSANDS OF DEATHS IN THE UNITED STATES RELATED T TO. DEATHS IN THE UNITED STATES RELATEDED TO EXCESSIVE HEAT. STATES RELATED TO EXCESSIVE HEAT. IN NEW YORK CITY, AS. EXCESSIVE HEAT. IN NEW YORK CITY, AS AN EXAMPLE, IT'S ABOUT.