Highlights
- An Extreme Heat Warning is in effect from Tuesday at 10 a.m. through Thursday at 8 p.m. across the Phoenix area.
- Phoenix highs are forecast at 109 degrees Tuesday, one degree below the 2024 daily record, with 108 degrees expected Wednesday and Thursday.
- A 40 percent chance of thunderstorms is forecast for Friday night, with temperatures easing toward 104 to 105 degrees over the weekend.
- Morning lows will remain in the upper 80s through the warning period, well above seasonal norms.
An Extreme Heat Warning is in effect across the Phoenix area from Tuesday at 10 a.m. through Thursday at 8 p.m., according to Arizona's Family meteorologist April Warnecke. The warning covers communities across the valley, including Phoenix, Glendale, and Scottsdale, per Radar Watch HQ.
Afternoon temperatures in Phoenix are expected to reach about 109 degrees Tuesday, six degrees above normal. Wednesday and Thursday will be nearly as hot at 108 degrees. Morning lows will also be unseasonably warm, holding in the upper 80s through the warning period.
Skies will be mostly sunny and dry through Thursday. A slight chance for thunderstorms begins Thursday night and continues through early next week, with the best odds Friday night at near 40 percent. Storm chances drop to near 10 percent over the weekend before potentially climbing again early next week.
Temperatures should ease closer to seasonal norms of 104 to 105 degrees by the weekend. The National Weather Service Phoenix office has corroborated the warning. KTAR also confirmed an Extreme Heat Warning is in effect for the Phoenix area.
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 08/09/2026 13:13
- radarwatchhq.com retrieved 08/09/2026 13:13
- weather.gov retrieved 08/09/2026 13:13
- ktar.com retrieved 08/09/2026 13:13
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 08/09/2026 13:13. Every claim traces to a source.
