Humidity doesn’t just make you feel sticky and uncomfortable – it also creates extra dangerous conditions on hot days.

An excessive heat warning means that a dangerous level of heat is coming in the next 12 to 24 hours. The Red Cross says this means it is time to “take precautions immediately to avoid heat-related ...

Here’s why taking a cold shower during a heat wave is incredibly dangerous, experts say By Fabiana Buontempo Published June 23, 2025, 9:12 p.m. ET ...