Phoenix, Arizona – An unsettled weather pattern is expected to bring increasing rain chances to the Phoenix area beginning New Year’s Eve and continuing into New Year’s Day.
According to the National Weather Service in Phoenix, rain chances will rise by Wednesday afternoon, with showers becoming more widespread through Wednesday night and Thursday. The system is driven by a low-pressure area off the California coast, which is forecast to generate multiple rounds of showers across central and southern Arizona.
Rainfall amounts in the Phoenix metro are expected to remain generally below 0.50 inches, though forecasters note that localized totals over one-half inch are possible, particularly across higher terrain north and east of Phoenix. Probabilities for exceeding 0.10 inches are highest in the deserts east and southeast of the city, while chances for heavier rainfall increase in elevated areas.
While significant flooding is not anticipated at this time, impacts are expected to include wet roads, areas of standing water, and slower commute times, especially during periods of steadier rainfall. Drivers are urged to use caution, allow extra travel time, and avoid driving through flooded roadways.
The unsettled pattern is forecast to persist through New Year’s Day, potentially affecting outdoor celebrations and holiday travel plans. Temperatures during the period are expected to remain seasonable, with cooler conditions accompanying cloud cover and precipitation.
Forecast confidence remains moderate, and rainfall coverage and amounts may vary depending on how the system evolves. The National Weather Service emphasized that this will not be a major storm, but it will mark a notable change from recent dry conditions.
Residents across the Phoenix area are encouraged to monitor updated forecasts as New Year’s Eve approaches.
