A series of storms drenched Arizona in late September and early October and helped ease short-term drought conditions.

With all of the rain last month through the start of October, it’s not shocking that Arizona’s drought has improved.

Drought isn’t the only climate-driven disaster hitting cities. But it may be the most insidious of the natural threats ...

Warmer nights can delay the changing colors of leaves or turn down their vibrance, scientists say. Heat and drought are bad combinations for trees, putting stress that could mute autumn colors. One ...

The Weather Service predicts a milder-than-average winter across the southern portion of the country and along the Eastern ...

WASHINGTON — Dry soils in northern Mexico may trigger episodes of simultaneous drought and heatwave hundreds of miles away in the southwestern United States, such as Arizona, New Mexico, and Texas, ...

The Arizona Republic's climate reporter, Joan Meiners, is biking the length of the Arizona Trail to document changes to landscapes and communities.

Centuries-old trees can hold clues about global weather patterns. A new UA study unlocked some of those clues.