heat index

High humidity limits the ability for sweat to evaporate off our skin and cool. This, in addition to warming night temperatures, makes it difficult for the body to get any respite from heat.

With soaring temperatures comes high heat that could prove a danger to vulnerable people like young children, the elderly and those exposed to the outdoors for long periods of the day.

A record-setting wave over Florida this week could bring temperatures in the mid- to upper 90s and heat indices near 110 degrees, forecasters say.

Jane Gilbert is the newly appointed interim chief heat officer for Miami-Dade. She has a task force focused on variables that make lower-income communities vulnerable to heat-related adversity.

Hotter neighborhoods tend to be poorer in dozens of major U.S. cities. That extra heat can have serious health effects for those living there.

It’s the middle of August in Florida, which means we should be accustomed to the sweltering, suffocating heat we’ve been sweating through across the...

By Steve Newborn In 1995, a heat wave killed more than 700 people in Chicago. It affected mostly elderly, African-American women who lived on their own....