PHOENIX — High pressure is building in and cranking up the heat across the Valley!
Temperatures will soar into the triple digits starting Friday.
Valley highs will approach 105 degrees by Mother's Day, putting us nearly 15 degrees above normal!
Air quality is getting worse, too. With light winds and sunny skies, ozone pollution is building up.
An Ozone High Pollution Advisory is in effect in the Valley on Thursday and Friday.
An Ozone High Pollution Watch is in effect for Saturday, which may be upgraded to advisory as we get closer.
Breathing in ozone pollution can lead to health impacts like chest pain, coughing, throat irritation, congestion and difficulty breathing. Kids, older adults and anyone with any kind of respiratory condition like asthma, bronchitis or COPD can be especially susceptible to the impacts of ozone pollution. So, limit your time outside in the afternoon when ozone pollution is peaking.
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.
Breezes will pick up over the weekend, which should help drop ozone pollution in the Valley, but the heat will crank up even more.
We'll see a moderate to major risk for heat-related illnesses this weekend as temperatures return to the triple digits. So, stay hydrated, limit time outside during the heat of the day, bring your pets inside, and never leave kids or pets in the car.
Mother’s Day will be the hottest day of the week with a high near 105 degrees, then temperatures will start to drop.
Valley highs are expected to plummet into the 80s by the middle of next week as a storm system passes to our north. Stay tuned for updates as we get closer.
2025 Sky Harbor Official Rainfall to date: 1.02" (-1.80" from average)
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2024 Sky Harbor Official Rainfall to date: 4.54" (-2.68" 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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