Ambient temperature is a key environmental driver of cardiovascular health. With rising global temperatures and increasing frequency, intensity, and duration of extreme temperature events, ...

With a heat dome bringing broiling conditions to Southern California, decades-old temperature records are expected to be ...

From data-driven targeting to cross-agency coordination, Miami-Dade County and Philadelphia are mitigating heat risk with ...

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

The heat index, or apparent temperature, combines air temperature and relative humidity to indicate how hot it feels. High humidity slows sweating, the body's natural cooling system, making ...

An extreme heat warning was in effect for metro Phoenix as temperatures were forecast to reach a record-breaking temps.

Southern California faces a third day of record-breaking temperatures as an unusually strong March heat wave pushes the ...

During this heat wave, "not only are daily temperature records likely to be broken across the region, but even the high temperature records for any day in the entire month of March," the National ...

A heat dome is impacting a large portion of the U.S. with extreme heat warnings, watches, or advisories. The entire state of Florida is under a heat advisory, with heat index values expected to reach ...