July 30, 2015 5:25 pm North Texans Struggle to Stay Cool The heat is on in North Texas, with heat index values reaching 105 to 108 degrees Thursday, many people braved the heat for work and play — being mindful of the most dangerous time of day. Wake Up to Something Good 3:28 Mother mourns loss of son killed in North Texas flooding 1:57 ‘The Wall That Heals' comes to Frisco 1:51 Child killed in Johnson County flooding 0:38 Pet of the Week: Matrix! 2:23 Parents of Fort Worth drive-by shooting victims recalls horrifying moments