Heat Dome to Bring Record Temperatures Across U.S.
Heat Dome to Bring Record Temperatures Across U.S.
US · Published Jul 13, 2026
A new heat dome is intensifying across the western and central United States, with temperatures expected to reach triple digits in many areas. The heatwave, which began on July 11, 2026, is forecast to expand eastward, bringing dangerous heat and humidity to the Midwest and Ohio Valley by July
Cities like Salt Lake City and Billings, Montana, could see temperatures approach or exceed all-time records, with highs potentially reaching 110°F (43.3°C). The Weather Prediction Center warns of widespread heat stress and increased risks of heat-related illnesses.

Impact & Risks

The extreme heat poses significant health risks, particularly for those without access to cooling systems. High humidity levels will exacerbate the heat, increasing the likelihood of heat-related illnesses such as heat exhaustion and heatstroke. Vulnerable populations, including the elderly, children, and outdoor workers, are at heightened risk. The heatwave also raises concerns about wildfires and strain on energy infrastructure.

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