FORECAST: Monsoon storm chances today!

PHOENIX — We’re starting the workweek with storm chances on the rise across Arizona!

This evening, the Valley has a 50 percent chance of monsoon storms that could bring gusty winds, blowing dust, and heavy downpours.

Today carries the highest risk for strong outflow winds, which is why a High Pollution Advisory is in place for dust. A Blowing Dust Advisory is also posted this afternoon for parts of the southeast Valley and southern Arizona, where the biggest concern is dangerous driving conditions from sudden drops in visibility.

If you find yourself caught in a dust storm, remember the phrase: Pull Aside, Stay Alive.

Dust and pollution can affect anyone, but they’re especially tough on children, older adults, people exercising outdoors, and those with heart or lung conditions such as asthma or bronchitis. Tiny particles in the air, many smaller than the width of a human hair, can reach deep into the lungs and even the bloodstream. That can trigger asthma attacks, worsen bronchitis, reduce the body’s ability to fight infection, and cause itchy eyes, coughing, wheezing, chest pain, and shortness of breath.

To help cut down on pollution, consider carpooling, using public transportation, or working from home if you can.

Farther south, a Flash Flood Watch is in effect today, and another watch will be in place Tuesday for the Kaibab Plateau, including the Dragon Bravo Fire burn scar. With plenty of moisture and slow-moving storms, flooding is possible in washes, creeks, and low-lying areas.

The added moisture and cloud cover will also keep temperatures in check. Monday’s high tops out near 104, which is right on par for late August. By Tuesday, highs may not even reach 100, with storm chances continuing.

Some leftover clouds from Monday night could limit storm development, but the chance is still there.

Storm chances fade by midweek as drier air pushes in, with temperatures gradually returning to near normal heading into the weekend.

2025 Sky Harbor Official Rainfall to date: 1.68″ (-2.92″ from average)

Monsoon 2025 Sky Harbor Official Rainfall: 0.21″ (-1.44″ 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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See the full 7-Day forecast

Interactive Arizona Radar