A harmful warmth wave is bringing extended excessive warmth to greater than two dozen states throughout the Midwest, the South and the East Coast.
The warmth wave started within the Midwest on Monday and has since unfold east, the place it is set to final into the Fourth of July weekend.
The solar rises behind the skyline of midtown Manhattan, the Chrysler Constructing and the Empire State Constructing on a day with an excessive warmth warning in New York Metropolis, July 2, 2026.
Gary Hershorn/ABC Information
With vacation journey in full impact, Amtrak canceled over a dozen trains within the Northeast Thursday as a result of warmth.
On Thursday, the warmth index — what temperature it appears like with humidity — is anticipated to hit a scorching 111 levels in Philadelphia and Washington, D.C., 106 in Boston, 102 in Chicago, 108 in Detroit, and 110 in Nashville, Tennessee.

Excessive warmth alerts.
ABC Information
New York Metropolis’s warmth index is forecast to achieve 110 levels, which has solely occurred 3 times within the final 80 years.
The town has activated its warmth emergency plan and is opening a whole bunch of cooling facilities.
“I am additionally asking each employer to plan forward with their groups, construct in flexibility, and ensure that nobody is put in danger throughout their jobs this week,” Mayor Zohran Mamdani stated.
On Friday, the warmth index is forecast to hit 108 levels in New York, 105 in Boston, 112 in Washington, D.C., and 111 in Memphis, Tennessee.
There will probably be minimal aid in a single day, which makes the warmth much more harmful.

On the Fourth of July on Saturday, the warmth will enhance barely for the Northeast, however will nonetheless really feel just like the triple digits, with the warmth index anticipated to achieve 103 levels in New York and 107 in D.C.

Guests react to the warmth whereas attending the Nice American State Honest on the Nationwide Mall, July 1, 2026, in Washington.
Nathan Howard/AP Photograph
By Sunday and Monday, the strongest warmth and humidity will settle over the Southeast. Raleigh, North Carolina, is anticipated to really feel like 107 levels and Savannah, Georgia, will really feel like 105 levels.
Excessive warmth is the deadliest weather-related hazard within the U.S. A minimum of 13,000 Individuals have died from the warmth since 2018, in response to information from the Facilities for Illness Management and Prevention.
Click on right here for recommendations on the way to keep protected.

