From the US National Weather Service Las Vegas Nevada. Now that the hot season has arrived, many of us like to deal with the heat by spending time at the pool or up in the mountains. While these are great ways to cool off and avoid the health hazards associated with heat, we still need to take precautions to ensure we’re safe. One of the easiest, yet most forgotten precautions is applying sunscreen. Here’s some great information on what to look for in a sunscreen from the American Academy of Dermatology.