By Joe Edwards
Heat-related advisories were in place across eight states on Tuesday, as the National Weather Service continued to warn of “dangerously hot conditions” in some parts of the U.S.Why It MattersThe Centers for Disease Control and Prevention says extreme heat can trigger heat-related illnesses, particularly among older adults, young children, and people with chronic health issues.Warning signs can include muscle cramps, profuse sweating, lightheadedness and nausea. The agency says over 700 people in the U.S. die from extreme heat each year.Hotter conditions can also increase ground-level ozone, compounding health concerns.What To KnowExtreme heat warnings, which the NWS issues when “extremely dangerous heat conditions are expected or occurring,” were in effect for southwestern Arizona and neighboring regions of southeast California.Temperatures up to 115 degrees Fahrenheit would be possible in the afternoon, presenting a major heat risk in these areas, according to the NWS, which stressed that heat-related illnesses “increase significantly during extreme heat events.”Meanwhile, heat advisories, issued by the NWS “for dangerous heat conditions that are not expected to reach warning criteria,” were in place for eastern and central Washington, northern Utah, northern Oregon, and parts of Idaho.Additional heat advisories were issued for northern and northeastern Nevada, as well as southeastern Montana.Hot conditions, with temperatures nearing or surpassing the triple-digit threshold were expected across these states on Tuesday.”Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors,” the NWS advised.The U.S. experienced a significant heat wave last week, which saw temperature records broken in multiple states. Philadelphia reached 101 degrees Fahrenheit last Tuesday, surpassing a record more than a century old and marking its first 100-degree reading since July 2012, according to AccuWeather. Northern New York also tied historical records, with Plattsburgh hitting 101 degrees Fahrenheit a day earlier.What People Are SayingThe NWS forecast office, Phoenix, Arizona, said on X on Monday: “Record high temperature of 116掳F set at Sky Harbor today beating the previous record set in 1979 & 2013. Look for readings a degree or two cooler Tuesday, potentially just below daily records, then cooling closer to the daily normals during the latter half of the week.”NWS Spokane, Washington, said on X on Sunday: “Heat advisories are in effect for Monday & Tuesday across the Inland Northwest. Highs in the 90s to low 100s and lows in the upper 50s to low 70s will increase the risk for heat-related illness for anyone without effective cooling & adequate hydration.”What Happens NextAt the time of writing, the latest extreme heat warnings were in effect until 8 p.m. Tuesday.Regular forecast updates are issued by the NWS on its website.