During the hot, humid summer months, meteorologists often discuss the heat index instead of the actual air temperature. But how is the heat index calculated, and why is it more important than the air ...

New York City and the surrounding area saw the first heat wave of 2025 this week, as summer officially begins. Temperatures soared into the 90s Sunday and stayed there for days. Here's everything to ...

Philip Kreycik should have survived his run. In the summer of 2021, the 37-year-old ultra-marathon runner used an app to plot a roughly 8-mile loop through Pleasanton Ridge Regional Park in California ...

Temperatures this week are some of the hottest we have seen the entire year now as we get to the end of July. This is a perfect opportunity to explain what the Heat Index is and how it is all ...

Las Vegas is feeling the heat like never before as climate change tightens its grip on our desert metropolis. Temperature records that stood for decades were shattered in 2024. And the heat is making ...

Board of Supervisors approves an “all-of-government” approach to protecting public health amid rising temperatures.