Phoenix

Phoenix Braces for Soaring Temperatures as Heat Wave Threatens Record Highs

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Published on June 24, 2025
Phoenix Braces for Soaring Temperatures as Heat Wave Threatens Record HighsSource: Wikipedia/DPPed, CC BY-SA 3.0, via Wikimedia Commons

Residents of Phoenix, AZ should prepare for a searing week ahead as the National Weather Service predict temperatures to steadily rise, reaching potentially record-breaking highs. According to the NWS forecast, today's sunny skies will lead to a high near 102°F, with calm winds shifting south at around 5 mph in the afternoon.

Evenings will offer little respite from the heat, with temperatures only dropping to the mid-70s to low 80s throughout the week. The forecast, last updated at 5:00 a.m. MST, indicates that tonight will remain mostly clear with a low around 76°F. The winds, presently west at 5 to 10 mph, are expected to become light and variable after midnight. With just 16% humidity and a dewpoint of 32°F.

As the week progresses, temperatures are expected to increase, with highs of 103°F on Wednesday and 106°F on Thursday. The forecast includes clear, sunny days and mostly clear nights, with light winds providing minimal cooling effects. This temperature pattern is typical for summer in Phoenix.

The weekend forecast calls for higher temperatures, with a high near 107°F on Friday and 108°F on Saturday. Sunday and Monday are expected to reach highs of 111°F and 112°F, respectively. These conditions will result in high heat index values. Residents are advised to stay hydrated and limit outdoor activities during the hottest parts of the day.

Due to the extreme heat, local officials are expected to issue heat advisories and may open cooling centers to assist residents, particularly those vulnerable to heat-related illnesses. These measures are important for public health and safety.