PHOENIX — High pressure is strengthening over the region, sending temperatures soaring across the Valley.
Triple-digit heat returns Friday and will persist through Mother’s Day weekend.
Air quality is also deteriorating. With light winds and abundant sunshine, ozone levels are on the rise.
An Ozone High Pollution Advisory is in effect for today, Saturday, and Sunday.
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 a respiratory condition, like asthma, bronchitis, or COPD, can be especially sensitive to ozone pollution. So, limit your time outdoors in the afternoon when ozone levels peak.
Everyone can help keep pollution levels down by carpooling, taking public transportation, or working from home. Also, wait until after dark to refuel gas-powered vehicles, and avoid idling in long drive-thru lines.
We’ll see a moderate to major risk for heat-related illness this weekend as temperatures return to the triple digits. So, stay hydrated, limit time outdoors during the hottest parts of the day, bring 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. After that, temperatures will begin 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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