A significant cooling trend is moving into Arizona, with Phoenix temperatures dropping from 78°F on Sunday to the upper 60s ...

Arizona climate leaders and Republic climate reporter Joan Meiners shared book recommendations to provide hope and perspective for 2026. Picks from climate leaders included "The Ministry for the ...

KJZZ examines the storied history of the state’s five C’s — copper, cotton, cattle, citrus and climate — and the role they still play in modern-day Arizona.

In Arizona, sixty degrees can feel surprisingly cold, especially after months of desert heat that completely resets what ...

The year 2025 was the fourth-warmest year on record for the contiguous United States, capping a string of warm years linked to climate change. Phoenix recorded its second-warmest year on record, with ...

Friday will be the first 90-degree day of the year at Phoenix Sky Harbor International Airport. It will also be 1 degree warmer than the current record.

Phoenix reached 88 degrees Thursday, falling two degrees short of a daily record as a heat wave begins to peak across Arizona ...

The Valley saw mostly cloudy skies and warm temperatures Wednesday, while light showers and cooler weather moved through Northern Arizona.