Wednesday was the hottest March day ever in many cities across California, Nevada and Arizona. Phoenix recorded its earliest ...

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

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 outage comes as Southern California broils under a multi-day heat wave that's sent temperatures climbing into the 80s and ...

The National Weather Service has issued a heat advisory for the region.

Temperatures in coastal areas likely peaked on Tuesday, but the heat will intensify in valley and interior areas through ...

High temperatures for the rest of the week will be in the mid 90s to low-100s, with minimal day-to-day changes.

In California and the Southwest, a long-lasting early-season heat wave is expected to send temperatures skyrocketing this ...

Meteorologists are not mincing words in their forecasts for record-high temperatures in California and the desert Southwest.

During this heat wave, "not only are daily temperature records likely to be broken across the region, but even the high ...

Scorching temperatures shattered multiple daily records across Southern California on Tuesday, March 17, including a more ...

The heat wave that began last week is expected to continue to push temperatures past the 100-degree mark this week in ...