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MOST ACCURATE FORECAST: Storm chances continue across Arizona overnight

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PHOENIX — Monsoon storms hit parts of the Valley hard on Tuesday night.

Downburst winds uprooted trees in McCormick Ranch and heavy rain flooded the streets.

Chances for more monsoon storms will continue across Arizona overnight.

Any storms that develop will be capable of producing damaging winds, blowing dust, hail, and areas of heavy rain and flash flooding, especially near wildfire burn scars.

Late night storms and left over clouds will help keep temperatures down a bit tomorrow, too.

Valley highs will dip below 110 degrees on Wednesday and Thursday with overnight lows in the 80s.

We could see more monsoon action across Arizona on Wednesday. Here in the Valley, watch for the chance of storms coming off of the higher terrain in the evening.

Storm chances will taper off heading into the weekend, but there will be at least a slight chance of isolated storms still in play.

As drier air moves in, temperatures will heat back up. Phoenix could approach 115 degrees again by Saturday 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 on Wednesday and an Ozone High Pollution Watch is in effect on 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" (+0.15" 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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