atlanta? reporter: as you mentioned, one in three americans, if you can believe it, a third of our population affected by this heat. this is just a tough situation to be in. heat is the biggest factor in terms of fatalities. a senior citizen said she is so thankful that atlanta opened this cooling center, otherwise, she wouldn t have known what to have done. they are really affected by intense heat. a lot of them don t realize that they are suffering from dehydration. and so to come to a place that is cool, come to a place where there s water provided, come to a place where they don t have to worry about seven or eight hours in 106-degree temperatures is really wonderful. reporter: you can see behind me they re still delivering watter to the dozens of people inside that cooling center. this is a recreational center that doubles today as the cooling center. poppy, as you mentioned, of course, throughout the united states and especially in missouri those three death that
dangerous situation for those suffering through record-breaking heat. triple digit temperatures are making life absolutely miserable for about 100 million americans this weekend. that s about a third of our population. here s a look at today s predicted highs across the united states. let s go first to cnn s reporter live in atlanta in a cooling center where the heat is expected, nick, to hit 106 degrees. that makes me think back to the record here in atlanta in 2007. let s talk about how dangerous this is and what officials are doing. i know there are officials in missouri investigating three deaths that may be caused by heat already. this is a massive situation across atlanta. 22 states affected by this heat advisory. we have everywhere from little rock, arkansas, to greensboro, north carolina. i believe we have video of greensboro, north carolina, under that excessive heat warning. and in little rock, i m sorry, tulgsa, oklahoma, they re handing out portable air-conditio