my brother's bookbag >> reporter: in this photo, you can see performing cpr, including fireman nick booker. >> lightning and thunder booms going >> reporter: the mayor says he's never seen an accident like this. >> it's just a reminder of the power of these storms. and you have to be cautious and diligent and really be aware of your surroundings >> reporter: we do not yet know the names of those four other victims. authorities tell us it was a total of four men and one 56. >> more on those storms and extreme heat through the weekend. lonnie? >> i'll give you a vortex radar satellite picture that goes back in time to around 4:00 in the afternoon. right here, that cell rolled through moderate rain. coming to the western borders. we have another thunderstorm! all of that being pushed to the east, southeast. we'll watch that push in the direction of putnam county. the heat the culprit here. and the humidity so high. for your day tomorrow, and sunday, excessive heat warnings in effect for basically everybody. thermometer in the 90s for sure. it's gonna could be three, four, five. the rip curren