PHOENIX — The monsoon is back in action across Arizona!
Showers and thunderstorms are firing up in the high country, and tonight there's a slight chance a few isolated storms could impact parts of the Valley.
An Ozone High Pollution Advisory is also in effect for Maricopa County as pollution reaches unhealthy levels. If you have respiratory issues like asthma or COPD, limit your time outdoors today to avoid difficulty breathing.
Dangerous heat is building across southwestern Arizona. An Extreme Heat Warning is now in effect for the Parker Valley and Yuma through Thursday evening.
With plenty of monsoon moisture in place this week, storm chances will continue.
We're also tracking a disturbance moving through Mexico this week that could help initiate storms here in Arizona. The best chances will be Thursday and Friday.
Stay tuned for updates as we get closer.
2026 Sky Harbor Official Rainfall to date: 0.70" (-2.53" from average)
Monsoon 2026 Sky Harbor Official Rainfall to date: 0.38" (+0.07" 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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