WEATHER STORY
Phoenix
Weather Forecast Office
Weather Outlook Potential Changes Ahead January 2026 Climate Summary Warmest Januarys on Record
High pressure will continue to result in dry conditions and well-above normal temperatures through Tuesday, with afternoon highs 8-15 degrees above normal. The well-above normal afternoon highs will result in a Minor HeatRisk across the lower deserts. A more unsettled weather pattern then ensues mid to late week as a series weather systems move across the Desert Southwest, resulting in cooler temperatures and increasing chances, especially across the AZ higher terrain.

Data Courtesy of Phoenix Weather Forecast Office