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MOST ACCURATE FORECAST: Historic heat wave! More records will be set this week.

Posted at 7:11 AM, Jul 24, 2023
and last updated 2023-07-25 00:38:13-04

PHOENIX — We're kicking off another week with more scorching temperatures!

Phoenix has reached 110 degrees or higher for 25 straight days, continuing the record for the most days in a row with temperatures that hot. Previously the record was 18 straight days at 110 or higher, set back in June of 1974.

We have also had 15 days in a row with lows in the 90, a new all-time record. The previous record was 7 consecutive days with lows in the 90s.

This unrelenting heat could break even more records in the days as highs stay above 115 degrees through mid-week and low only drop into the 90s overnight.

We remain in ABC15 Weather Action Mode as a reminder to take action to keep yourself and your family safe in this extreme 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.

Excessive Heat Warnings for the Phoenix metro area and lower elevations all across Arizona have now been extended through at least Thursday now.

In addition to the dangerous heat, air quality is worsening this week. The Phoenix area is now under an Ozone High Pollution Advisory through Tuesday and Ozone High Pollution Watches Wednesday, Thursday and Friday.

Ozone pollution could reach unhealthy levels this week for people in sensitive groups, including kids, older adults and those with respiratory conditions. So along with limiting your time outdoors because of the heat, if you have a respiratory condition like asthma or COPD you may want to limit your time outside because of the poor air quality too, otherwise you may have difficulty breathing.

Monsoon moisture is slowly increasing as well, bringing storm chances back to much of the state.

While isolated storms are possible in the Valley each day this week, we'll likely see more gusty winds and blowing dust than measurable rain.

Valley storm chances look a little more promising by the weekend, which could help temperatures drop closer to the 110-degree mark on Sunday and Monday.

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2023 Rainfall totals:

Sky Harbor Official Rainfall: 2.88" (-0.71" from average)

Valley Average (Phoenix Rainfall Index): 3.36"

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2022 Rainfall totals:

Sky Harbor Official Rainfall: 5.78" (-1.44" from average)

Valley Average (Phoenix Rainfall Index): 7.02"

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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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