More than 95 locations have already set new daily records for the hottest March day on record, including in California, and ...

A long-duration heat wave is taking shape over the western half of the U.S. and is forecast to stick around in the days ahead. A high-pressure system in place over the West is keeping precipitation ...

Existing data suggests extreme heat can take a toll on patients who live with heart failure. The study at UT Health ...

Add Yahoo as a preferred source to see more of our stories on Google. A jogger and cyclist move along a bike path in Santa Monica, California, on March 13. California and other Western states are at ...

Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that it could leave some locations shattering their all-time temperature ...

(CNN) — Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that it could leave some locations shattering their all-time ...

Many areas in the southwestern United States have endured day after day of heat more typical of early summer than early spring. The region will face yet another week of intense heat, but there are ...

Temperatures reached record highs in multiple states on Wednesday, as a heat wave that has been scorching the West since last week expanded into the middle of the country. The unusually warm weather ...