New Yorkers sweated out a fifth straight day of soaring temperatures Thursday with little relief in sight.
At one point Thursday, temperature readings at John F. Kennedy International Airport hit 100 degrees, making this the hottest July 18 on record.
Thursday is also the third day that the city has endured the highest temperatures so far in the year.
There will be no relief Friday, as a heat warning will be in effect between the hours of 11 a.m. and 8 p.m, as well as an air quality alert between 11 a.m. and 11 p.m.
Residents are being encouraged to conserve energy in the heat wave.
Con Edison said that New Yorkers nearly set a record for megawatt usage as they tried to stay cool.
Officials said major outages were avoided thanks to equipment and system upgrades, as well as conservation programs that encourage everyone to use one major appliance at a time.
That doesn't mean there weren't hiccups in electricity delivery, though.
Some residents of the Concourse section of the Bronx spent most of Thursday patiently waiting for Con Edison to restore power.
"I need air conditioning because I have asthma, arthritis and high blood pressure," said one resident. "So we need the power."
"It's OK. Con Edison is working," said another resident. "They're doing a good job. They're working on it. They're working very hard."
Anyone who needs to report an outage can call 1-800-75-CONED.
The Department of Health said that approximately 500,000 New Yorkers are at risk because they don't have or they don't use their air conditioning units, they're above the age of 65, or they're in poor health.
"Here's what we're asking to do," said City Health Commissioner Dr. Thomas Farley. "First, see if they have air conditioning and they just simply haven't turned it on. Simply turning on or repairing their air conditioning may just save a life. If they don't have any air conditioning, get them to a cool place, like a family member's home, like a cooling center or even an apartment down the hall. Make sure that they're drinking plenty of water. Make sure they're not wearing heavy clothing. Then check on their condition and see if they need medical help."
The city's cooling centers are open.
To find one near you, call 311.
The weather is leading to a slowdown on Amtrak.
The rail line issued speed restrictions between Boston and Washington due to the intense heat.
Amtrak passengers should expect 10 to 20-minute train delays.
Trains are being stocked with extra drinking water for riders.