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MOST ACCURATE FORECAST: Big warmup before winter returns next week

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PHOENIX — We’re experiencing a brief warm-up before we shift back into winter mode.

A high-pressure system has settled in, clearing the skies and allowing temperatures to climb. As a result, we’ll see temperatures soar through Monday, with the Valley expected to hit the mid-80s.

However, our next winter storm is set to move in on Tuesday. It is projected to move into Arizona Tuesday night and last into Wednesday morning. The storm will bring a significant drop in temperatures, gusty winds, and the potential for rain and snow.

The forecasts show the Valley could receive between 0.10 and 0.30 inches of rain. Snow levels will drop to around 6,000-6,500 feet, with minimal accumulation expected—most areas near Flagstaff, the Rim, and the White Mountains will likely see about an inch or less.

Looking ahead, a second and more impactful storm system will arrive by the end of the week, bringing even cooler temperatures. Expect more rain in the Valley and a higher likelihood of accumulating snow in the High Country, particularly Thursday into Friday morning.

Stay tuned for updates and snow and rainfall projections as we get closer!

2025 Sky Harbor Official Rainfall to date: 0.42" (-1.62" from average)
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2024 Sky Harbor Official Rainfall to date: 4.54" (-1.85" from average)

Monsoon 2024 Sky Harbor Official Rainfall: 0.74" (-1.69" from average)
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Daily rainfall reports from all across the Valley can be found here.
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PHOENIX IS GETTING DRIER - LOWER RAINFALL AVERAGES NOW

Average Monsoon Rainfall in Phoenix (1981-2010): 2.71" of rain

NEW Average Monsoon Rainfall in Phoenix (1991-2020): 2.43" of rain

Average Yearly Rainfall in Phoenix (1981-2010): 8:03" of rain

NEW Average Yearly Rainfall in Phoenix (1991-2020): 7.22" of rain
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