Summer has not even officially started yet, but the hot weather sure has arrived, with forecasts of temperatures in the 90's all week. Did you know that dogs are susceptible to heat stroke? Unlike humans, dogs don't perspire. They pant to cool off, and if panting is not enough, their body temperature can rise to dangerous levels that can be fatal. Read this article to find out what to look for and what actions to take if you suspect your dog has heat stroke, including when a trip to your vet is in order.