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MOST ACCURATE FORECAST: Monsoon storm chances continue across Arizona

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PHOENIX — Spotty showers and storms started popping up in the Valley around 10 p.m. Wednesday night and there are chances for more through the overnight hours.

Any storms that move through may be capable of producing wind gusts over 40 mph, dangerous lightning, blowing dust and brief downpours.

Storm chances will continue on Thursday, Friday and Saturday, especially across the higher terrain. Each evening we'll have to watch and wait for the chance of a few storms making it down into the Valley.

As drier air moves in over the weekend, temperatures will heat back up. Phoenix will top 110 degrees again by this weekend with overnight lows in the 90s.

Air quality is also a concern in the Valley again this week.

An Ozone High Pollution Advisory is in effect through Thursday.

Ozone pollution will reach unhealthy levels for kids, older adults and anyone with any respiratory issues like asthma or COPD.

Breathing in ozone pollution can lead to health impacts like chest pain, coughing, throat irritation, congestion and difficulty breathing. So, limit your time outside in the afternoon when ozone pollution is peaking. Even healthy adults trying to exercise outside may experience health impacts.

Everyone can help prevent the pollution problem from getting worse by carpooling, taking public transportation or working from home. Also, wait until after dark to fill up your gas-powered vehicles and avoid idling in long drive-thru lines.

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2024 Rainfall totals:

Sky Harbor Official Rainfall: 4.19" (+0.12" from average)

Valley Average (Phoenix Rainfall Index): 3.90"

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2023 Rainfall totals:

Sky Harbor Official Rainfall: 4.21" (-3.01" from average)

Valley Average (Phoenix Rainfall Index): 5.47"

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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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