Phoenix, Arizona – Arizona residents should brace for another sweltering stretch as an Extreme Heat Warning remains in effect for Phoenix and surrounding cities through 8 p.m. Friday, with temperatures topping 115°F by Juneteenth.
According to the National Weather Service in Phoenix, highs will soar to 112°F on Wednesday and 115°F Thursday, pushing outdoor conditions toward dangerously hot levels, especially during peak afternoon hours. The warning covers Maricopa County, with potential impacts on travelers along Interstate 10 and I-17, where pavement temperatures may exceed 160°F.
City services across the Phoenix metro are urging residents to limit time outdoors, especially between 11 a.m. and 5 p.m., when the heat index is highest. Locals should drink water frequently, avoid strenuous activity, and check on elderly neighbors or pets. Cooling centers remain open in Tempe, Mesa, and Glendale.
The heat dome shows little sign of retreat before the weekend. Friday’s high stays near 112°F, and nighttime lows hover in the low 80s, offering little overnight relief. Though winds stay light, sun exposure and heat strain remain top concerns.
The NWS warns that heat-related illnesses can set in quickly, especially without shade or hydration. Prepare accordingly for outdoor events tied to Juneteenth.
Stay alert for any additional warnings, especially with power grid strain and fire risks increasing through late week.
🔎 Five-Day Forecast for Phoenix (June 17–22):
- Tuesday: Sunny and hot. High near 110°F.
- Wednesday: High near 112°F, low of 83°F. Clear skies.
- Thursday (Juneteenth): High near 115°F, low of 83°F.
- Friday: Hot again, high near 112°F, low around 82°F.
- Saturday: Slight dip to 109°F, continued sunshine.
