Although actual temperatures will stop short of record levels, when combined with the humidity and other factors, AccuWeather.com RealFeel® temperatures will surge past 100 degrees during the afternoon hours.
The table below shows high temperatures forecast through Friday for selected cities:
RealFeel temperatures can run 10 to 20 degrees higher during several hours each day. A heat wave in the Northeast is defined as three or more consecutive days with high temperatures of 90 degrees or greater.
A lack of a breeze in the humid conditions at night will make it very rough in urban areas without air conditioning or a fan.