PHOENIX — Our Excessive Heat Warning has been extended yet again, now in effect through 8 p.m. Tuesday for the Phoenix metro area, and 8 p.m. Monday for western and southwestern Arizona.
So, we remain in ABC15 Weather Action mode as a reminder to take action to stay safe in these dangerously hot temperatures. Stay hydrated, limit time outside in the afternoon hours and never leave kids or pets in the car no matter how quick the errand.
This heat wave is shattering records and will continue as Valley highs top out between 105 to 111 degrees through at least the middle of next week.
Average highs, which are considered "normal" for this time of year, are in the mid-90s.
Thankfully, our nights are getting longer, so we do not anticipate any 90-degree lows. Overnight temperatures will drop into the upper 70s to low 80s across the Valley, but even that's exceptionally warm for this time of year and new record-warm lows are still possible.
Phoenix just set a new record warm low temperature for the month of October. Sky Harbor only dropped to 86 degrees Wednesday morning, breaking the daily record of 83 set in 1997 and the new record warm low for the month of 84 degrees which we just set on Tuesday morning.
Temperatures will gradually drop the week of October 7th, but highs could still be record-setting for most of that week too. We're not likely to get out of the triple digits until next weekend at the earliest.
With La Niña building in the Pacific, it's likely that we'll continue to see warmer and drier-than-normal conditions through the fall and winter months.
Our drought has been getting worse lately with the hot and dry monsoon season we just had.
Phoenix only picked up 0.74 inches of rain this monsoon, which ties for the seventh driest monsoon on record. Our 30-year average (which is considered our normal amount of rain) is 2.43 inches. But, it's important to remember, that is a decrease from the previous 30-year average of 2.71 inches (from 1981-2010) as our Valley climate continues to get hotter and drier.
With an overall average temperature of 98.3 degrees, Monsoon 2024 was also the hottest monsoon ever recorded in Phoenix. That breaks the previous record of 96.9 degrees which we just set last year. All of the top 25 hottest monsoon seasons have occurred in the last 25 years.
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2024 Sky Harbor Official Rainfall to date: 4.54" (-0.89" 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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