Extreme Heat Warning in Phoenix Area with Rain Chances Later This Week
Extreme Heat Warning in Phoenix Area with Rain Chances Later This Week
US · Published Aug 19, 2026
An Extreme Heat Warning remains in effect for the Phoenix area through Friday, with First Alert Days declared through Sunday due to persistent high temperatures.
Afternoon highs are expected to range between 110°F (43°C) and 112°F (44°C) through the weekend, marking the 30th day this year with temperatures reaching 110°F or higher.

Impact & Risks

The prolonged heat poses significant risks, particularly for vulnerable populations such as the elderly, children, and those without access to air conditioning. Heat-related illnesses, including dehydration and heatstroke, are a concern. Outdoor activities should be limited during peak heat hours, and hydration is critical. The record warm-low temperature of 92°F (33°C) further exacerbates the risk of heat stress, as nighttime conditions offer little respite. Storms in the High Country may bring localized flooding and hazardous driving conditions.

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