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MOST ACCURATE FORECAST: Monsoon storm chances ramp up

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PHOENIX — Rain chances will ramp up tonight and into the start of the week, which could help temperatures finally drop below 110 degrees.

Our last measurable rainfall at Phoenix Sky Harbor occurred on March 22nd, putting our dry streak at 128 days now. That is now the fourth-longest dry streak in Phoenix history. The longest is 160 days in a row without measurable rain which happened in 1972.

The best chances for monsoon storms here in the Phoenix metro area will be late tonight, Monday and Tuesday.

Better chances for thunderstorms are expected across the High Country for the next several days.

Any storms that develop could produce damaging winds, blowing dust, heavy rain, possible flooding and dangerous lightning. Stay alert, be aware and be prepared.

Phoenix has now reached 110 degrees or higher for an all-time record of 31 days in a row. (Previously, the record was 18 days in a row set in 1974.)

We've also reached 115 degrees 17 times so far and 119 degrees three times. That's the greatest number for both of those thresholds ever recorded in Phoenix!

Even though the Excessive Heat Warnings have expired for the Valley please be cautious and safe in this heat.

Heat is the number one weather-related killer. So, limit your time outside during the hottest part of the day and stay hydrated. Keep an eye on kids and the elderly as they can be the most affected by this heat. Bring your pets indoors, too.

So, stay tuned for updates from your ABC15 Forecasters.

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2023 Rainfall totals:

Sky Harbor Official Rainfall: 2.88" (-0.90" from average)

Valley Average (Phoenix Rainfall Index): 3.48"

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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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