This swampy heat wave that has held the city prisoner (and left Harlem in the dark) shows no signs of relenting today.

The National Weather Service warns that "dangerous heat and humidity" will be continuing today. The heat will peak in the afternoon, when the heat index values is expected to reach between 105 and 108 degrees. Yech. An excessive heat warning is in effect until 10 p.m. The air quality today isn't great either, and there is an Air Quality Alert that will be in effect until 11 p.m. Tomorrow is supposed to be a little better with the heat index "only" reaching into the low to mid-90s.

The mayor's office says that NYC cooling centers will remain open today and tomorrow. You can call 311 or visit the city's Beat The Heat page for information on finding a cooling center or knowing whether you might be suffering from heat exhaustion.

"We are asking every New Yorker to take common sense steps to stay safe during this dangerous heat event: look out for your own health, check in on vulnerable neighbors, and set your air conditioning thermostat to 78 degrees to keep cool while also conserving energy," said New York City Emergency Management Commissioner Joseph Esposito.

Here are a few tips to beat the heat. Take it easy out there (and beware of that funky bodega ice cream).