Dangerous Heatwave Grips 31 U.S. States with Heat Index Values Up to 46°C (115°F)

Extreme Heat Warnings, Watches, and Advisories are in effect across 31 U.S. states, including parts of the Midwest, Northeast, Southeast, and central United States. Peak heat index values are forecast to reach 46°C (115°F), with dangerous heat and humidity expected to persist into early July. This prolonged period of high temperatures increases the risk of heat-related illnesses, especially for vulnerable populations. Specific areas under warnings include Michigan, Nebraska, Kansas, Minnesota, Georgia, New York, and Texas.