Overview

• An unusually intense high-pressure dome over central Arizona has blocked monsoon moisture and driven back-to-back record highs.
• Phoenix reached 116°F on Aug. 6 before soaring to 118°F at Sky Harbor Airport on Aug. 7, surpassing the previous August record of 117°F.
• Extreme Heat Warnings remain in effect across metropolitan Phoenix as overnight lows hold in the mid-80s to low-90s, offering little nighttime cooling.
• The National Weather Service projects highs near or above 110°F through early next week with rain chances below 10%.
• The CDC warns that prolonged exposure to extreme heat increases the risk of heat-related illnesses among older adults, young children and those with medical conditions.