“When it gets very severe, you see changes in mental status. Someone is not acting right, you can almost mistake it for a stroke,” says Dwyer. “So, when you see that and this hot dry skin, very beat red, hot, dry skin, and someone who is confused, that's a really concerning sign.”
The key is to limit your time outside to no more than 15 minutes.
And time is precious — do not hesitate to call for help.