An extraordinary March heat wave is pushing temperatures 20 to 40 degrees above average across the Southwest and threatening to spread triple-digit readings eastward into the Plains by midweek. At the ...

The rocks glow in shades of red and orange that seem too saturated to be real, like someone adjusted the color settings on ...

High temperatures forecast to hit metro Phoenix in the coming days will range from 101 to 105 degrees, according to the ...

The highest March temperature ever recorded in the U.S. happened on March 19 during Arizona's scorching early heat wave. Here ...

The thermometer hit 110 degrees near Yuma, surpassing the previous 108-degree record set in Texas. Residents say the national attention is putting the town on the map.

The dangerous heat wave shattering March records all over the U.S. Southwest is more than just another extreme weather blip. It’s the latest next-level weath ...

Unusual heat is building across Houston this weekend as part of a wider U.S. pattern already bringing record temperatures to ...

Temperatures are being shattered by large margins over a vast area beyond California. "It's uncharted territory," said Baker Perry, Nevada's state climatologist.

Arizona keeps secrets better than your best friend who promised not to tell anyone about that thing you did in college. One of those secrets is Castle Dome Mine Museum near Yuma, a perfectly preserved ...

An unusually early and intense heat wave is hitting the Valley, but key resources for unhoused people, like the Heat Relief Network map, are not yet available.

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.

Metro Phoenix could hit 100 degrees this week, setting a new record for first 100 degree day. Here's what to expect, plus ...