A long-duration heat wave is taking shape over the western half of the U.S. and forecast to stick around in the days ahead.

The stretch of abnormally high temperatures that gripped the western and central United States through much of March 2026 is ...

An oppressive heat wave across much of the western United States had cities and their residents sweltering through conditions ...

It might feel unseasonably hot where you are right now. That's thanks in part to a heat wave in the Pacific Ocean.

Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that ...

The High Desert heat wave continues with temperatures 25 to 35 degrees above normal, posing risks to sensitive populations.