An oppressive heat wave across much of the western United States had cities and their residents sweltering through conditions this weekend that are normally more common at the height of summer. The ...

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 ...

The most prolific March heat wave in at least 14 years smashed monthly records in over 180 cities from the Southwest to the Plains and East, may have set new statewide March records in 17 states, and ...