we'll have more coming up, back to you. >> chelsey, thank you. lynn is live with the wjz might be weather lab. lynn, how you doing out there? >> mary, i'm melting. it's 94.7 outside, that heat index, 103. unfortunately, this hot weather is sticking around. >> reporter: whether you're working outside, out for a run or trying to stay cool at the pool, it's miserably and dangerously hot outside. these workers have hours of work ahead of them in scorching temps. make sure you take plenty of breaks in the shade and, of course, drink plenty of fluids, a sentiment echoes around the state, franklin metro scare is the busiest center around the state. >> if you are either very young or very old or if you have other medical conditions like high blood pressure, heart disease, stay inside, stay somewhere cool. >> there have been four heat related deaths so far this year, so it's important to call 911 immediately if you see science of heat stroke or exhaustion. >> if they're not acting like themselves, look for warning signs. >> reporter: when the sun eventual