Highlights
- An extreme heat watch covers Maricopa and Pinal counties Monday through Wednesday, with highs at 110 degrees or above.
- Overnight lows will stay in the 90s during the heat event, with weekend highs reaching 105 Saturday and 108 Sunday.
- One more round of isolated showers is possible Thursday evening, with a 20% rain chance for Phoenix before conditions dry out.
- Wednesday's storms dropped more than an inch of rain on parts of the Valley, including Gilbert and Tempe.
An extreme heat watch is in effect for Maricopa and Pinal counties beginning Monday, with temperatures forecast to reach 110 degrees or higher through Wednesday and overnight lows holding in the 90s, Arizona's Family meteorologist Holly Bock reported Thursday.
The heat watch is corroborated by Forth News, FOX 10 Phoenix, and Your Valley, among other outlets tracking the same National Weather Service alert.
Before the heat arrives, one more round of showers and thunderstorms is possible Thursday afternoon and evening, though the chance of rain in Phoenix sits at 20% and activity is expected to be spotty and isolated. Conditions will not match Wednesday's storms, when Gilbert and Tempe recorded more than an inch of rain.
Highs will reach around 100 degrees Friday before climbing to 105 Saturday and 108 Sunday as the region transitions to mostly dry conditions ahead of the heat event.
For the High Country, shower and thunderstorm chances continue through Thursday evening and into Friday, with a drying trend expected over the weekend and into next week.
The extreme heat watch begins Monday.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- AZ Family (3TV/CBS5) retrieved 13/08/2026 23:45
- forth.news retrieved 13/08/2026 23:45
- Fox 10 Phoenix retrieved 13/08/2026 23:45
Authored by The Scottsdale Signal. Drafted by AI from primary-source material under our beat-specific editorial guides; reviewed by humans before publish under our five-gate process. Sources retrieved at 13/08/2026 23:45. Every claim traces to a source.
