PHOENIX – Monsoon storms broke Phoenix’s dry spell on Thursday night, and more rain is in the forecast over the coming days.

Furthermore, a Valleywide extreme heat warning that was scheduled to expire Friday night has been extended through Sunday.

Thursday night’s storms produced 0.04 inches of rainfall at Phoenix Sky Harbor International Airport, which the National Weather Service (NWS) uses for the city’s official readings. While other parts of the Valley were impacted by isolated showers as recently as last week, it was the first measurable precipitation at the airport since 0.16 inches fell on July 2.

How much has it rained in Phoenix during 2025 monsoon season?

The rainfall total for Phoenix’s relatively weak 2025 monsoon season is now 0.2 inches. The airport typically receives more than 1.5 inches by this point of Arizona’s annual “rainy” season, which runs from June 15 to Sept. 30.

Meanwhile, the metro Phoenix forecast calls for more rain chances as soon as Friday evening, according to NWS Phoenix meteorologist Alex Young.

“There’s not a 0% chance for today, but it looks like those chances are going to be lower — generally 20% or lower, at least — across the metro area for today,” Young said Friday morning. “And then, looking for over the weekend, general chances of 25% or less across the Phoenix metro.”

Although projections could change, the current outlook shows the rain chances rising on Monday.

“We’ll have to stay tuned to see as we draw closer how things will evolve and possibly have another nice event early next week, hopefully,” Young said.

Why was Valley extreme heat warning extended?

When it comes to the temperature, the mercury is expected to reach 110 degrees in Phoenix each day through the weekend.

“But I think the bigger story is those overnight lows continue to hover around those upper 80s to lower 90s,” Young said. “It’s that lack of overnight relief that’s driving these extreme heat warnings through the weekend.”

Residents and visitors are advised to stay hydrated and limit time outdoors during periods of potentially dangerous heat. Multiple Phoenix hiking trails are restricted from 8 a.m. to 5 p.m. on extreme heat warning days.

Thursday’s high at the airport of 114 degrees tied a record for the date.

What parts of Valley saw monsoon activity on Thursday?

Thursday night’s thunderstorms included wind gusts of over 60 mph, whipping up dust, taking down trees and knocking out power temporarily in some areas.

“For the most part we saw most precipitation across the eastern and southern parts of the Valley. That’s where we had anywhere from a tenth of an inch to even up to three-quarters of an inch,” Smith said.

“And then there are some other spots near central Phoenix that got about a tenth of an inch, but it looks like there are some localized spots up to at least a half an inch in that area, as well.”

KTAR News 92.3 FM’s Ginia Mcfarland contributed to this report.

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