(Texas) Heat exhaustion and heat stroke are serious heat-related illnesses that can develop during periods of extreme heat and humidity in Texas. Most of the time, Texas heat is tolerable, but when you factor in the humidity, that's when it becomes really uncomfortable. How to Stay Safe During Extreme Texas HeatIf you have any outdoor activities planned, make sure you drink plenty of water and stay hydrated so your body can cool itself through sweating. Summer Heat Fast Facts from Texas DPS Extreme heat in Texas can become an emergency situation faster than you might think. Gallery Credit: Billy JenkinsThe 10 Ways to Beat the Heat During Texas Months Summertime in Texas gets extremely hot but here are 10 ways to help beat the heat.